Finding the Fourth Proportional to 113,506.50, 156,640.06 and 62,520.38

Step by Step Solution

1. Step 1: Write the proportion equation
   113,506.50 : 156,640.06 = 62,520.38 : x
2. Step 2: Convert to fraction form
   113,506.50/156,640.06 = 62,520.38/x
3. Step 3: Cross multiply
   113,506.50x = 156,640.06 × 62,520.38
4. Step 4: Simplify right side
   113,506.50x = 9,793,196,074.42
5. Step 5: Solve for x
   x = 9,793,196,074.42/113,506.50
6. Step 6: Final answer
   x = 86,278.72