Finding the Fourth Proportional to 159,498.16, 239,021.55 and 88,452.05

Step by Step Solution

1. Step 1: Write the proportion equation
   159,498.16 : 239,021.55 = 88,452.05 : x
2. Step 2: Convert to fraction form
   159,498.16/239,021.55 = 88,452.05/x
3. Step 3: Cross multiply
   159,498.16x = 239,021.55 × 88,452.05
4. Step 4: Simplify right side
   159,498.16x = 21,141,944,896.57
5. Step 5: Solve for x
   x = 21,141,944,896.57/159,498.16
6. Step 6: Final answer
   x = 132,552.91