Finding the Fourth Proportional to 119,859.67, 165,410.32 and 65,414.82

Step by Step Solution

1. Step 1: Write the proportion equation
   119,859.67 : 165,410.32 = 65,414.82 : x
2. Step 2: Convert to fraction form
   119,859.67/165,410.32 = 65,414.82/x
3. Step 3: Cross multiply
   119,859.67x = 165,410.32 × 65,414.82
4. Step 4: Simplify right side
   119,859.67x = 10,820,285,957.91
5. Step 5: Solve for x
   x = 10,820,285,957.91/119,859.67
6. Step 6: Final answer
   x = 90,274.62