Finding the Fourth Proportional to 16,308.72, 24,469.56 and 5,921.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,308.72 : 24,469.56 = 5,921.28 : x
2. Step 2: Convert to fraction form
   16,308.72/24,469.56 = 5,921.28/x
3. Step 3: Cross multiply
   16,308.72x = 24,469.56 × 5,921.28
4. Step 4: Simplify right side
   16,308.72x = 144,891,116.24
5. Step 5: Solve for x
   x = 144,891,116.24/16,308.72
6. Step 6: Final answer
   x = 8,884.27