Finding the Fourth Proportional to 113,672.03, 156,863.82 and 62,686.91

Step by Step Solution

1. Step 1: Write the proportion equation
   113,672.03 : 156,863.82 = 62,686.91 : x
2. Step 2: Convert to fraction form
   113,672.03/156,863.82 = 62,686.91/x
3. Step 3: Cross multiply
   113,672.03x = 156,863.82 × 62,686.91
4. Step 4: Simplify right side
   113,672.03x = 9,833,308,166.60
5. Step 5: Solve for x
   x = 9,833,308,166.60/113,672.03
6. Step 6: Final answer
   x = 86,505.96