Finding the Fourth Proportional to 16,287.33, 24,431.42 and 4,441.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,287.33 : 24,431.42 = 4,441.20 : x
2. Step 2: Convert to fraction form
   16,287.33/24,431.42 = 4,441.20/x
3. Step 3: Cross multiply
   16,287.33x = 24,431.42 × 4,441.20
4. Step 4: Simplify right side
   16,287.33x = 108,504,800.30
5. Step 5: Solve for x
   x = 108,504,800.30/16,287.33
6. Step 6: Final answer
   x = 6,661.91