Finding the Fourth Proportional to 119,407.10, 164,781.77 and 65,695.59

Step by Step Solution

1. Step 1: Write the proportion equation
   119,407.10 : 164,781.77 = 65,695.59 : x
2. Step 2: Convert to fraction form
   119,407.10/164,781.77 = 65,695.59/x
3. Step 3: Cross multiply
   119,407.10x = 164,781.77 × 65,695.59
4. Step 4: Simplify right side
   119,407.10x = 10,825,435,272.92
5. Step 5: Solve for x
   x = 10,825,435,272.92/119,407.10
6. Step 6: Final answer
   x = 90,659.90