Finding the Fourth Proportional to 14,414.32, 21,624.72 and 10,430.74

Step by Step Solution

1. Step 1: Write the proportion equation
   14,414.32 : 21,624.72 = 10,430.74 : x
2. Step 2: Convert to fraction form
   14,414.32/21,624.72 = 10,430.74/x
3. Step 3: Cross multiply
   14,414.32x = 21,624.72 × 10,430.74
4. Step 4: Simplify right side
   14,414.32x = 225,561,831.89
5. Step 5: Solve for x
   x = 225,561,831.89/14,414.32
6. Step 6: Final answer
   x = 15,648.45