Finding the Fourth Proportional to 14,392.72, 21,591.78 and 5,627.08

Step by Step Solution

1. Step 1: Write the proportion equation
   14,392.72 : 21,591.78 = 5,627.08 : x
2. Step 2: Convert to fraction form
   14,392.72/21,591.78 = 5,627.08/x
3. Step 3: Cross multiply
   14,392.72x = 21,591.78 × 5,627.08
4. Step 4: Simplify right side
   14,392.72x = 121,498,673.40
5. Step 5: Solve for x
   x = 121,498,673.40/14,392.72
6. Step 6: Final answer
   x = 8,441.68