Finding the Fourth Proportional to 113,742.43, 156,963.46 and 62,755.57

Step by Step Solution

1. Step 1: Write the proportion equation
   113,742.43 : 156,963.46 = 62,755.57 : x
2. Step 2: Convert to fraction form
   113,742.43/156,963.46 = 62,755.57/x
3. Step 3: Cross multiply
   113,742.43x = 156,963.46 × 62,755.57
4. Step 4: Simplify right side
   113,742.43x = 9,850,331,401.47
5. Step 5: Solve for x
   x = 9,850,331,401.47/113,742.43
6. Step 6: Final answer
   x = 86,602.08