Finding the Fourth Proportional to 107,550.28, 148,456.29 and 65,108.81

Step by Step Solution

1. Step 1: Write the proportion equation
   107,550.28 : 148,456.29 = 65,108.81 : x
2. Step 2: Convert to fraction form
   107,550.28/148,456.29 = 65,108.81/x
3. Step 3: Cross multiply
   107,550.28x = 148,456.29 × 65,108.81
4. Step 4: Simplify right side
   107,550.28x = 9,665,812,994.21
5. Step 5: Solve for x
   x = 9,665,812,994.21/107,550.28
6. Step 6: Final answer
   x = 89,872.50