Finding the Fourth Proportional to 16,480.72, 22,743.96 and 9,028.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,480.72 : 22,743.96 = 9,028.72 : x
2. Step 2: Convert to fraction form
   16,480.72/22,743.96 = 9,028.72/x
3. Step 3: Cross multiply
   16,480.72x = 22,743.96 × 9,028.72
4. Step 4: Simplify right side
   16,480.72x = 205,348,846.53
5. Step 5: Solve for x
   x = 205,348,846.53/16,480.72
6. Step 6: Final answer
   x = 12,459.94