Finding the Fourth Proportional to 159,498.42, 239,021.92 and 88,452.30

Step by Step Solution

1. Step 1: Write the proportion equation
   159,498.42 : 239,021.92 = 88,452.30 : x
2. Step 2: Convert to fraction form
   159,498.42/239,021.92 = 88,452.30/x
3. Step 3: Cross multiply
   159,498.42x = 239,021.92 × 88,452.30
4. Step 4: Simplify right side
   159,498.42x = 21,142,038,574.42
5. Step 5: Solve for x
   x = 21,142,038,574.42/159,498.42
6. Step 6: Final answer
   x = 132,553.28