Finding the Fourth Proportional to 119,665.80, 165,139.92 and 65,952.76

Step by Step Solution

1. Step 1: Write the proportion equation
   119,665.80 : 165,139.92 = 65,952.76 : x
2. Step 2: Convert to fraction form
   119,665.80/165,139.92 = 65,952.76/x
3. Step 3: Cross multiply
   119,665.80x = 165,139.92 × 65,952.76
4. Step 4: Simplify right side
   119,665.80x = 10,891,433,510.18
5. Step 5: Solve for x
   x = 10,891,433,510.18/119,665.80
6. Step 6: Final answer
   x = 91,015.42