Finding the Fourth Proportional to 113,498.90, 156,626.55 and 62,516.40

Step by Step Solution

1. Step 1: Write the proportion equation
   113,498.90 : 156,626.55 = 62,516.40 : x
2. Step 2: Convert to fraction form
   113,498.90/156,626.55 = 62,516.40/x
3. Step 3: Cross multiply
   113,498.90x = 156,626.55 × 62,516.40
4. Step 4: Simplify right side
   113,498.90x = 9,791,727,111.00
5. Step 5: Solve for x
   x = 9,791,727,111.00/113,498.90
6. Step 6: Final answer
   x = 86,271.56