Finding the Fourth Proportional to 16,560.72, 24,838.56 and 8,238

Step by Step Solution

1. Step 1: Write the proportion equation
   16,560.72 : 24,838.56 = 8,238 : x
2. Step 2: Convert to fraction form
   16,560.72/24,838.56 = 8,238/x
3. Step 3: Cross multiply
   16,560.72x = 24,838.56 × 8,238
4. Step 4: Simplify right side
   16,560.72x = 204,620,057.28
5. Step 5: Solve for x
   x = 204,620,057.28/16,560.72
6. Step 6: Final answer
   x = 12,355.75