Finding the Fourth Proportional to 16,272.54, 22,456.71 and 9,198.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,272.54 : 22,456.71 = 9,198.54 : x
2. Step 2: Convert to fraction form
   16,272.54/22,456.71 = 9,198.54/x
3. Step 3: Cross multiply
   16,272.54x = 22,456.71 × 9,198.54
4. Step 4: Simplify right side
   16,272.54x = 206,568,945.20
5. Step 5: Solve for x
   x = 206,568,945.20/16,272.54
6. Step 6: Final answer
   x = 12,694.33