Finding the Fourth Proportional to 2,456.10, 3,389.73 and 1,408.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.10 : 3,389.73 = 1,408.14 : x
2. Step 2: Convert to fraction form
   2,456.10/3,389.73 = 1,408.14/x
3. Step 3: Cross multiply
   2,456.10x = 3,389.73 × 1,408.14
4. Step 4: Simplify right side
   2,456.10x = 4,773,214.40
5. Step 5: Solve for x
   x = 4,773,214.40/2,456.10
6. Step 6: Final answer
   x = 1,943.41