Finding the Fourth Proportional to 17,571.52, 26,359.91 and 5,721.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,571.52 : 26,359.91 = 5,721.42 : x
2. Step 2: Convert to fraction form
   17,571.52/26,359.91 = 5,721.42/x
3. Step 3: Cross multiply
   17,571.52x = 26,359.91 × 5,721.42
4. Step 4: Simplify right side
   17,571.52x = 150,816,116.27
5. Step 5: Solve for x
   x = 150,816,116.27/17,571.52
6. Step 6: Final answer
   x = 8,582.99