Finding the Fourth Proportional to 113,462.59, 156,599.37 and 65,715.93

Step by Step Solution

1. Step 1: Write the proportion equation
   113,462.59 : 156,599.37 = 65,715.93 : x
2. Step 2: Convert to fraction form
   113,462.59/156,599.37 = 65,715.93/x
3. Step 3: Cross multiply
   113,462.59x = 156,599.37 × 65,715.93
4. Step 4: Simplify right side
   113,462.59x = 10,291,072,453.97
5. Step 5: Solve for x
   x = 10,291,072,453.97/113,462.59
6. Step 6: Final answer
   x = 90,700.14