Finding the Fourth Proportional to 113,499.38, 156,623.11 and 65,098.81

Step by Step Solution

1. Step 1: Write the proportion equation
   113,499.38 : 156,623.11 = 65,098.81 : x
2. Step 2: Convert to fraction form
   113,499.38/156,623.11 = 65,098.81/x
3. Step 3: Cross multiply
   113,499.38x = 156,623.11 × 65,098.81
4. Step 4: Simplify right side
   113,499.38x = 10,195,978,079.50
5. Step 5: Solve for x
   x = 10,195,978,079.50/113,499.38
6. Step 6: Final answer
   x = 89,832.90