Finding the Fourth Proportional to 82,429.92, 113,693.22 and 52,220.16

Step by Step Solution

1. Step 1: Write the proportion equation
   82,429.92 : 113,693.22 = 52,220.16 : x
2. Step 2: Convert to fraction form
   82,429.92/113,693.22 = 52,220.16/x
3. Step 3: Cross multiply
   82,429.92x = 113,693.22 × 52,220.16
4. Step 4: Simplify right side
   82,429.92x = 5,937,078,139.32
5. Step 5: Solve for x
   x = 5,937,078,139.32/82,429.92
6. Step 6: Final answer
   x = 72,025.77