Finding the Fourth Proportional to 3,954.54, 5,456.49 and 2,382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,954.54 : 5,456.49 = 2,382.72 : x
2. Step 2: Convert to fraction form
   3,954.54/5,456.49 = 2,382.72/x
3. Step 3: Cross multiply
   3,954.54x = 5,456.49 × 2,382.72
4. Step 4: Simplify right side
   3,954.54x = 13,001,287.85
5. Step 5: Solve for x
   x = 13,001,287.85/3,954.54
6. Step 6: Final answer
   x = 3,287.69