Finding the Fourth Proportional to 16,278.72, 24,417.54 and 11,016.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,278.72 : 24,417.54 = 11,016.18 : x
2. Step 2: Convert to fraction form
   16,278.72/24,417.54 = 11,016.18/x
3. Step 3: Cross multiply
   16,278.72x = 24,417.54 × 11,016.18
4. Step 4: Simplify right side
   16,278.72x = 268,988,015.80
5. Step 5: Solve for x
   x = 268,988,015.80/16,278.72
6. Step 6: Final answer
   x = 16,523.90