Finding the Fourth Proportional to 16,287.82, 22,472.04 and 9,571.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,287.82 : 22,472.04 = 9,571.30 : x
2. Step 2: Convert to fraction form
   16,287.82/22,472.04 = 9,571.30/x
3. Step 3: Cross multiply
   16,287.82x = 22,472.04 × 9,571.30
4. Step 4: Simplify right side
   16,287.82x = 215,086,636.45
5. Step 5: Solve for x
   x = 215,086,636.45/16,287.82
6. Step 6: Final answer
   x = 13,205.37