Finding the Fourth Proportional to 72,456.38, 108,156.77 and 67,114.04

Step by Step Solution

1. Step 1: Write the proportion equation
   72,456.38 : 108,156.77 = 67,114.04 : x
2. Step 2: Convert to fraction form
   72,456.38/108,156.77 = 67,114.04/x
3. Step 3: Cross multiply
   72,456.38x = 108,156.77 × 67,114.04
4. Step 4: Simplify right side
   72,456.38x = 7,258,837,788.05
5. Step 5: Solve for x
   x = 7,258,837,788.05/72,456.38
6. Step 6: Final answer
   x = 100,182.18