Finding the Fourth Proportional to 116,151.27, 160,307.42 and 65,866.47

Step by Step Solution

1. Step 1: Write the proportion equation
   116,151.27 : 160,307.42 = 65,866.47 : x
2. Step 2: Convert to fraction form
   116,151.27/160,307.42 = 65,866.47/x
3. Step 3: Cross multiply
   116,151.27x = 160,307.42 × 65,866.47
4. Step 4: Simplify right side
   116,151.27x = 10,558,883,540.88
5. Step 5: Solve for x
   x = 10,558,883,540.88/116,151.27
6. Step 6: Final answer
   x = 90,906.31