Finding the Fourth Proportional to 22,464.96, 31,029.12 and 15,414.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,464.96 : 31,029.12 = 15,414.72 : x
2. Step 2: Convert to fraction form
   22,464.96/31,029.12 = 15,414.72/x
3. Step 3: Cross multiply
   22,464.96x = 31,029.12 × 15,414.72
4. Step 4: Simplify right side
   22,464.96x = 478,305,196.65
5. Step 5: Solve for x
   x = 478,305,196.65/22,464.96
6. Step 6: Final answer
   x = 21,291.17