Finding the Fourth Proportional to 2,456.24, 3,389.46 and 1,408.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.24 : 3,389.46 = 1,408.28 : x
2. Step 2: Convert to fraction form
   2,456.24/3,389.46 = 1,408.28/x
3. Step 3: Cross multiply
   2,456.24x = 3,389.46 × 1,408.28
4. Step 4: Simplify right side
   2,456.24x = 4,773,308.73
5. Step 5: Solve for x
   x = 4,773,308.73/2,456.24
6. Step 6: Final answer
   x = 1,943.34