Finding the Fourth Proportional to 152,024.73, 209,820.23 and 88,399.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,024.73 : 209,820.23 = 88,399.50 : x
2. Step 2: Convert to fraction form
   152,024.73/209,820.23 = 88,399.50/x
3. Step 3: Cross multiply
   152,024.73x = 209,820.23 × 88,399.50
4. Step 4: Simplify right side
   152,024.73x = 18,548,002,979.89
5. Step 5: Solve for x
   x = 18,548,002,979.89/152,024.73
6. Step 6: Final answer
   x = 122,006.49