Finding the Fourth Proportional to 11,042.28, 16,561.56 and 3,144.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,042.28 : 16,561.56 = 3,144.24 : x
2. Step 2: Convert to fraction form
   11,042.28/16,561.56 = 3,144.24/x
3. Step 3: Cross multiply
   11,042.28x = 16,561.56 × 3,144.24
4. Step 4: Simplify right side
   11,042.28x = 52,073,519.41
5. Step 5: Solve for x
   x = 52,073,519.41/11,042.28
6. Step 6: Final answer
   x = 4,715.83