Finding the Fourth Proportional to 119,608.71, 165,053.89 and 65,892.55

Step by Step Solution

1. Step 1: Write the proportion equation
   119,608.71 : 165,053.89 = 65,892.55 : x
2. Step 2: Convert to fraction form
   119,608.71/165,053.89 = 65,892.55/x
3. Step 3: Cross multiply
   119,608.71x = 165,053.89 × 65,892.55
4. Step 4: Simplify right side
   119,608.71x = 10,875,821,699.52
5. Step 5: Solve for x
   x = 10,875,821,699.52/119,608.71
6. Step 6: Final answer
   x = 90,928.34