Finding the Fourth Proportional to 115,568.72, 159,397.04 and 99,462.82

Step by Step Solution

1. Step 1: Write the proportion equation
   115,568.72 : 159,397.04 = 99,462.82 : x
2. Step 2: Convert to fraction form
   115,568.72/159,397.04 = 99,462.82/x
3. Step 3: Cross multiply
   115,568.72x = 159,397.04 × 99,462.82
4. Step 4: Simplify right side
   115,568.72x = 15,854,079,098.05
5. Step 5: Solve for x
   x = 15,854,079,098.05/115,568.72
6. Step 6: Final answer
   x = 137,183.13