Finding the Fourth Proportional to 22,085.92, 30,480.72 and 16,487.20

Step by Step Solution

1. Step 1: Write the proportion equation
   22,085.92 : 30,480.72 = 16,487.20 : x
2. Step 2: Convert to fraction form
   22,085.92/30,480.72 = 16,487.20/x
3. Step 3: Cross multiply
   22,085.92x = 30,480.72 × 16,487.20
4. Step 4: Simplify right side
   22,085.92x = 502,541,726.78
5. Step 5: Solve for x
   x = 502,541,726.78/22,085.92
6. Step 6: Final answer
   x = 22,753.94