Finding the Fourth Proportional to 115,399.69, 159,257.07 and 65,098.69

Step by Step Solution

1. Step 1: Write the proportion equation
   115,399.69 : 159,257.07 = 65,098.69 : x
2. Step 2: Convert to fraction form
   115,399.69/159,257.07 = 65,098.69/x
3. Step 3: Cross multiply
   115,399.69x = 159,257.07 × 65,098.69
4. Step 4: Simplify right side
   115,399.69x = 10,367,426,232.10
5. Step 5: Solve for x
   x = 10,367,426,232.10/115,399.69
6. Step 6: Final answer
   x = 89,839.29