Finding the Fourth Proportional to 116,158.48, 160,295.63 and 65,166.95

Step by Step Solution

1. Step 1: Write the proportion equation
   116,158.48 : 160,295.63 = 65,166.95 : x
2. Step 2: Convert to fraction form
   116,158.48/160,295.63 = 65,166.95/x
3. Step 3: Cross multiply
   116,158.48x = 160,295.63 × 65,166.95
4. Step 4: Simplify right side
   116,158.48x = 10,445,977,380.33
5. Step 5: Solve for x
   x = 10,445,977,380.33/116,158.48
6. Step 6: Final answer
   x = 89,928.67