Finding the Fourth Proportional to 17,721.28, 24,456.39 and 10,167.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,721.28 : 24,456.39 = 10,167.56 : x
2. Step 2: Convert to fraction form
   17,721.28/24,456.39 = 10,167.56/x
3. Step 3: Cross multiply
   17,721.28x = 24,456.39 × 10,167.56
4. Step 4: Simplify right side
   17,721.28x = 248,661,812.71
5. Step 5: Solve for x
   x = 248,661,812.71/17,721.28
6. Step 6: Final answer
   x = 14,031.82