Finding the Fourth Proportional to 16,561.24, 22,854.06 and 9,109.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,561.24 : 22,854.06 = 9,109.24 : x
2. Step 2: Convert to fraction form
   16,561.24/22,854.06 = 9,109.24/x
3. Step 3: Cross multiply
   16,561.24x = 22,854.06 × 9,109.24
4. Step 4: Simplify right side
   16,561.24x = 208,183,117.51
5. Step 5: Solve for x
   x = 208,183,117.51/16,561.24
6. Step 6: Final answer
   x = 12,570.50