Finding the Fourth Proportional to 119,628.52, 165,085.20 and 65,918.52

Step by Step Solution

1. Step 1: Write the proportion equation
   119,628.52 : 165,085.20 = 65,918.52 : x
2. Step 2: Convert to fraction form
   119,628.52/165,085.20 = 65,918.52/x
3. Step 3: Cross multiply
   119,628.52x = 165,085.20 × 65,918.52
4. Step 4: Simplify right side
   119,628.52x = 10,882,172,057.90
5. Step 5: Solve for x
   x = 10,882,172,057.90/119,628.52
6. Step 6: Final answer
   x = 90,966.37