Finding the Fourth Proportional to 113,510.32, 156,662.92 and 86,601.98

Step by Step Solution

1. Step 1: Write the proportion equation
   113,510.32 : 156,662.92 = 86,601.98 : x
2. Step 2: Convert to fraction form
   113,510.32/156,662.92 = 86,601.98/x
3. Step 3: Cross multiply
   113,510.32x = 156,662.92 × 86,601.98
4. Step 4: Simplify right side
   113,510.32x = 13,567,319,064.58
5. Step 5: Solve for x
   x = 13,567,319,064.58/113,510.32
6. Step 6: Final answer
   x = 119,524.98