Finding the Fourth Proportional to 22,792.32, 31,471.20 and 17,478.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,792.32 : 31,471.20 = 17,478.72 : x
2. Step 2: Convert to fraction form
   22,792.32/31,471.20 = 17,478.72/x
3. Step 3: Cross multiply
   22,792.32x = 31,471.20 × 17,478.72
4. Step 4: Simplify right side
   22,792.32x = 550,076,292.86
5. Step 5: Solve for x
   x = 550,076,292.86/22,792.32
6. Step 6: Final answer
   x = 24,134.28