Finding the Fourth Proportional to 16,288.82, 22,473.42 and 9,572.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,288.82 : 22,473.42 = 9,572.30 : x
2. Step 2: Convert to fraction form
   16,288.82/22,473.42 = 9,572.30/x
3. Step 3: Cross multiply
   16,288.82x = 22,473.42 × 9,572.30
4. Step 4: Simplify right side
   16,288.82x = 215,122,318.27
5. Step 5: Solve for x
   x = 215,122,318.27/16,288.82
6. Step 6: Final answer
   x = 13,206.75