Finding the Fourth Proportional to 17,738.20, 24,474.30 and 11,443

Step by Step Solution

1. Step 1: Write the proportion equation
   17,738.20 : 24,474.30 = 11,443 : x
2. Step 2: Convert to fraction form
   17,738.20/24,474.30 = 11,443/x
3. Step 3: Cross multiply
   17,738.20x = 24,474.30 × 11,443
4. Step 4: Simplify right side
   17,738.20x = 280,059,414.90
5. Step 5: Solve for x
   x = 280,059,414.90/17,738.20
6. Step 6: Final answer
   x = 15,788.49