Finding the Fourth Proportional to 113,498.40, 156,625.86 and 62,515.90

Step by Step Solution

1. Step 1: Write the proportion equation
   113,498.40 : 156,625.86 = 62,515.90 : x
2. Step 2: Convert to fraction form
   113,498.40/156,625.86 = 62,515.90/x
3. Step 3: Cross multiply
   113,498.40x = 156,625.86 × 62,515.90
4. Step 4: Simplify right side
   113,498.40x = 9,791,605,798.72
5. Step 5: Solve for x
   x = 9,791,605,798.72/113,498.40
6. Step 6: Final answer
   x = 86,270.87