Finding the Fourth Proportional to 116,630.25, 160,963.92 and 65,662.08

Step by Step Solution

1. Step 1: Write the proportion equation
   116,630.25 : 160,963.92 = 65,662.08 : x
2. Step 2: Convert to fraction form
   116,630.25/160,963.92 = 65,662.08/x
3. Step 3: Cross multiply
   116,630.25x = 160,963.92 × 65,662.08
4. Step 4: Simplify right side
   116,630.25x = 10,569,225,792.15
5. Step 5: Solve for x
   x = 10,569,225,792.15/116,630.25
6. Step 6: Final answer
   x = 90,621.65