Finding the Fourth Proportional to 113,658.56, 156,850.05 and 62,671.43

Step by Step Solution

1. Step 1: Write the proportion equation
   113,658.56 : 156,850.05 = 62,671.43 : x
2. Step 2: Convert to fraction form
   113,658.56/156,850.05 = 62,671.43/x
3. Step 3: Cross multiply
   113,658.56x = 156,850.05 × 62,671.43
4. Step 4: Simplify right side
   113,658.56x = 9,830,016,144.82
5. Step 5: Solve for x
   x = 9,830,016,144.82/113,658.56
6. Step 6: Final answer
   x = 86,487.25