Finding the Fourth Proportional to 16,540.28, 22,824.92 and 9,825.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,540.28 : 22,824.92 = 9,825.72 : x
2. Step 2: Convert to fraction form
   16,540.28/22,824.92 = 9,825.72/x
3. Step 3: Cross multiply
   16,540.28x = 22,824.92 × 9,825.72
4. Step 4: Simplify right side
   16,540.28x = 224,271,272.94
5. Step 5: Solve for x
   x = 224,271,272.94/16,540.28
6. Step 6: Final answer
   x = 13,559.10