Finding the Fourth Proportional to 16,282.85, 22,469.27 and 9,111.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,282.85 : 22,469.27 = 9,111.56 : x
2. Step 2: Convert to fraction form
   16,282.85/22,469.27 = 9,111.56/x
3. Step 3: Cross multiply
   16,282.85x = 22,469.27 × 9,111.56
4. Step 4: Simplify right side
   16,282.85x = 204,729,943.86
5. Step 5: Solve for x
   x = 204,729,943.86/16,282.85
6. Step 6: Final answer
   x = 12,573.35