Finding the Fourth Proportional to 116,452.90, 160,721.99 and 65,469.84

Step by Step Solution

1. Step 1: Write the proportion equation
   116,452.90 : 160,721.99 = 65,469.84 : x
2. Step 2: Convert to fraction form
   116,452.90/160,721.99 = 65,469.84/x
3. Step 3: Cross multiply
   116,452.90x = 160,721.99 × 65,469.84
4. Step 4: Simplify right side
   116,452.90x = 10,522,442,969.78
5. Step 5: Solve for x
   x = 10,522,442,969.78/116,452.90
6. Step 6: Final answer
   x = 90,357.93