Finding the Fourth Proportional to 113,688.27, 156,889.71 and 62,704.29

Step by Step Solution

1. Step 1: Write the proportion equation
   113,688.27 : 156,889.71 = 62,704.29 : x
2. Step 2: Convert to fraction form
   113,688.27/156,889.71 = 62,704.29/x
3. Step 3: Cross multiply
   113,688.27x = 156,889.71 × 62,704.29
4. Step 4: Simplify right side
   113,688.27x = 9,837,657,873.86
5. Step 5: Solve for x
   x = 9,837,657,873.86/113,688.27
6. Step 6: Final answer
   x = 86,531.86