Finding the Fourth Proportional to 16,570.15, 22,866.79 and 9,016.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,570.15 : 22,866.79 = 9,016.47 : x
2. Step 2: Convert to fraction form
   16,570.15/22,866.79 = 9,016.47/x
3. Step 3: Cross multiply
   16,570.15x = 22,866.79 × 9,016.47
4. Step 4: Simplify right side
   16,570.15x = 206,177,726.03
5. Step 5: Solve for x
   x = 206,177,726.03/16,570.15
6. Step 6: Final answer
   x = 12,442.72