Finding the Fourth Proportional to 22,472.32, 31,019.06 and 14,508.40

Step by Step Solution

1. Step 1: Write the proportion equation
   22,472.32 : 31,019.06 = 14,508.40 : x
2. Step 2: Convert to fraction form
   22,472.32/31,019.06 = 14,508.40/x
3. Step 3: Cross multiply
   22,472.32x = 31,019.06 × 14,508.40
4. Step 4: Simplify right side
   22,472.32x = 450,036,930.10
5. Step 5: Solve for x
   x = 450,036,930.10/22,472.32
6. Step 6: Final answer
   x = 20,026.28