Finding the Fourth Proportional to 119,565.59, 165,007.98 and 65,850.60

Step by Step Solution

1. Step 1: Write the proportion equation
   119,565.59 : 165,007.98 = 65,850.60 : x
2. Step 2: Convert to fraction form
   119,565.59/165,007.98 = 65,850.60/x
3. Step 3: Cross multiply
   119,565.59x = 165,007.98 × 65,850.60
4. Step 4: Simplify right side
   119,565.59x = 10,865,873,498.12
5. Step 5: Solve for x
   x = 10,865,873,498.12/119,565.59
6. Step 6: Final answer
   x = 90,877.93