Finding the Fourth Proportional to 116,456.71, 160,701.42 and 65,461.33

Step by Step Solution

1. Step 1: Write the proportion equation
   116,456.71 : 160,701.42 = 65,461.33 : x
2. Step 2: Convert to fraction form
   116,456.71/160,701.42 = 65,461.33/x
3. Step 3: Cross multiply
   116,456.71x = 160,701.42 × 65,461.33
4. Step 4: Simplify right side
   116,456.71x = 10,519,728,686.09
5. Step 5: Solve for x
   x = 10,519,728,686.09/116,456.71
6. Step 6: Final answer
   x = 90,331.67