Finding the Fourth Proportional to 142,033.97, 196,077.85 and 88,336.31

Step by Step Solution

1. Step 1: Write the proportion equation
   142,033.97 : 196,077.85 = 88,336.31 : x
2. Step 2: Convert to fraction form
   142,033.97/196,077.85 = 88,336.31/x
3. Step 3: Cross multiply
   142,033.97x = 196,077.85 × 88,336.31
4. Step 4: Simplify right side
   142,033.97x = 17,320,792,540.50
5. Step 5: Solve for x
   x = 17,320,792,540.50/142,033.97
6. Step 6: Final answer
   x = 121,948.24