Finding the Fourth Proportional to 116,341.92, 160,540.18 and 65,350.80

Step by Step Solution

1. Step 1: Write the proportion equation
   116,341.92 : 160,540.18 = 65,350.80 : x
2. Step 2: Convert to fraction form
   116,341.92/160,540.18 = 65,350.80/x
3. Step 3: Cross multiply
   116,341.92x = 160,540.18 × 65,350.80
4. Step 4: Simplify right side
   116,341.92x = 10,491,429,031.77
5. Step 5: Solve for x
   x = 10,491,429,031.77/116,341.92
6. Step 6: Final answer
   x = 90,177.55