Finding the Fourth Proportional to 108,360.72, 149,561.13 and 65,932.92

Step by Step Solution

1. Step 1: Write the proportion equation
   108,360.72 : 149,561.13 = 65,932.92 : x
2. Step 2: Convert to fraction form
   108,360.72/149,561.13 = 65,932.92/x
3. Step 3: Cross multiply
   108,360.72x = 149,561.13 × 65,932.92
4. Step 4: Simplify right side
   108,360.72x = 9,861,002,019.40
5. Step 5: Solve for x
   x = 9,861,002,019.40/108,360.72
6. Step 6: Final answer
   x = 91,001.63