Finding the Fourth Proportional to 115,536.24, 159,422.04 and 65,234.16

Step by Step Solution

1. Step 1: Write the proportion equation
   115,536.24 : 159,422.04 = 65,234.16 : x
2. Step 2: Convert to fraction form
   115,536.24/159,422.04 = 65,234.16/x
3. Step 3: Cross multiply
   115,536.24x = 159,422.04 × 65,234.16
4. Step 4: Simplify right side
   115,536.24x = 10,399,762,864.89
5. Step 5: Solve for x
   x = 10,399,762,864.89/115,536.24
6. Step 6: Final answer
   x = 90,012.99