Finding the Fourth Proportional to 22,546.20, 31,108.15 and 14,578.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,546.20 : 31,108.15 = 14,578.83 : x
2. Step 2: Convert to fraction form
   22,546.20/31,108.15 = 14,578.83/x
3. Step 3: Cross multiply
   22,546.20x = 31,108.15 × 14,578.83
4. Step 4: Simplify right side
   22,546.20x = 453,520,565.34
5. Step 5: Solve for x
   x = 453,520,565.34/22,546.20
6. Step 6: Final answer
   x = 20,115.17