Finding the Fourth Proportional to 116,141.18, 160,265.12 and 65,146.82

Step by Step Solution

1. Step 1: Write the proportion equation
   116,141.18 : 160,265.12 = 65,146.82 : x
2. Step 2: Convert to fraction form
   116,141.18/160,265.12 = 65,146.82/x
3. Step 3: Cross multiply
   116,141.18x = 160,265.12 × 65,146.82
4. Step 4: Simplify right side
   116,141.18x = 10,440,761,797.86
5. Step 5: Solve for x
   x = 10,440,761,797.86/116,141.18
6. Step 6: Final answer
   x = 89,897.16