Finding the Fourth Proportional to 16,540.27, 22,826.03 and 8,987.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,540.27 : 22,826.03 = 8,987.09 : x
2. Step 2: Convert to fraction form
   16,540.27/22,826.03 = 8,987.09/x
3. Step 3: Cross multiply
   16,540.27x = 22,826.03 × 8,987.09
4. Step 4: Simplify right side
   16,540.27x = 205,139,426.89
5. Step 5: Solve for x
   x = 205,139,426.89/16,540.27
6. Step 6: Final answer
   x = 12,402.42