Finding the Fourth Proportional to 16,540.84, 22,825.86 and 8,986.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,540.84 : 22,825.86 = 8,986.72 : x
2. Step 2: Convert to fraction form
   16,540.84/22,825.86 = 8,986.72/x
3. Step 3: Cross multiply
   16,540.84x = 22,825.86 × 8,986.72
4. Step 4: Simplify right side
   16,540.84x = 205,129,612.58
5. Step 5: Solve for x
   x = 205,129,612.58/16,540.84
6. Step 6: Final answer
   x = 12,401.40