Finding the Fourth Proportional to 2,456.33, 3,389.35 and 1,408.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.33 : 3,389.35 = 1,408.19 : x
2. Step 2: Convert to fraction form
   2,456.33/3,389.35 = 1,408.19/x
3. Step 3: Cross multiply
   2,456.33x = 3,389.35 × 1,408.19
4. Step 4: Simplify right side
   2,456.33x = 4,772,840.30
5. Step 5: Solve for x
   x = 4,772,840.30/2,456.33
6. Step 6: Final answer
   x = 1,943.08