Finding the Fourth Proportional to 16,565.69, 22,860.42 and 9,012.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,565.69 : 22,860.42 = 9,012.09 : x
2. Step 2: Convert to fraction form
   16,565.69/22,860.42 = 9,012.09/x
3. Step 3: Cross multiply
   16,565.69x = 22,860.42 × 9,012.09
4. Step 4: Simplify right side
   16,565.69x = 206,020,111.17
5. Step 5: Solve for x
   x = 206,020,111.17/16,565.69
6. Step 6: Final answer
   x = 12,436.55