Finding the Fourth Proportional to 16,540.83, 22,826.25 and 8,987.11

Step by Step Solution

1. Step 1: Write the proportion equation
   16,540.83 : 22,826.25 = 8,987.11 : x
2. Step 2: Convert to fraction form
   16,540.83/22,826.25 = 8,987.11/x
3. Step 3: Cross multiply
   16,540.83x = 22,826.25 × 8,987.11
4. Step 4: Simplify right side
   16,540.83x = 205,141,962.57
5. Step 5: Solve for x
   x = 205,141,962.57/16,540.83
6. Step 6: Final answer
   x = 12,402.16