Finding the Fourth Proportional to 14,265.24, 21,387.15 and 4,398.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,265.24 : 21,387.15 = 4,398.72 : x
2. Step 2: Convert to fraction form
   14,265.24/21,387.15 = 4,398.72/x
3. Step 3: Cross multiply
   14,265.24x = 21,387.15 × 4,398.72
4. Step 4: Simplify right side
   14,265.24x = 94,076,084.45
5. Step 5: Solve for x
   x = 94,076,084.45/14,265.24
6. Step 6: Final answer
   x = 6,594.78