1. Introduction to the Case
STEP 1

2. PIVOT the data to get the row and column header
STEP 2

3. Copy and Paste Special data in a new worksheet.
STEP 3

4. Apply three way lookup formula.
STEP 4

5. STEP 5 Syntax of VLOOKUP FORMULA
Brief on Three Way Lookup Formula
Syntax of VLOOKUP FORMULA
VLOOKUP (lookup_value, table_array, col_index_num, [range_lookup])
STEP 5

6. VLOOKUP (lookup_value, table_array, col_index_num, [range_lookup])
A3&B3&C2
STEP 6

7. VLOOKUP (lookup_value, table_array, col_index_num, [range_lookup])
CHOOSE({1,2},'Row Data'!A2:A71&'Row Data'!B2:B71&'Row Data'!C2:C71,'Row Data'!D2:D71)
STEP 7

8. VLOOKUP (lookup_value, table_array, col_index_num, [range_lookup]) 2
STEP 8

9. VLOOKUP (lookup_value, table_array, col_index_num, [range_lookup])
STEP 9

10. PRESS CTRL + SHIFT + ENTER
As this is ARRAY FORMULA, The Formula run n number of times untill it finds solution.
STEP 10

11. Make Values CONSTANT vs VARIABLE
STEP 11

12. Drag Formula to all fields
STEP 12