Finding the Fourth Proportional to 113,462.09, 156,598.68 and 65,715.42

Step by Step Solution

1. Step 1: Write the proportion equation
   113,462.09 : 156,598.68 = 65,715.42 : x
2. Step 2: Convert to fraction form
   113,462.09/156,598.68 = 65,715.42/x
3. Step 3: Cross multiply
   113,462.09x = 156,598.68 × 65,715.42
4. Step 4: Simplify right side
   113,462.09x = 10,290,948,614.89
5. Step 5: Solve for x
   x = 10,290,948,614.89/113,462.09
6. Step 6: Final answer
   x = 90,699.45