Finding the Fourth Proportional to 151,862.69, 209,572.71 and 88,200.48

Step by Step Solution

1. Step 1: Write the proportion equation
   151,862.69 : 209,572.71 = 88,200.48 : x
2. Step 2: Convert to fraction form
   151,862.69/209,572.71 = 88,200.48/x
3. Step 3: Cross multiply
   151,862.69x = 209,572.71 × 88,200.48
4. Step 4: Simplify right side
   151,862.69x = 18,484,413,616.90
5. Step 5: Solve for x
   x = 18,484,413,616.90/151,862.69
6. Step 6: Final answer
   x = 121,717.94