Finding the Fourth Proportional to 2,456.08, 3,389.52 and 1,408.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.08 : 3,389.52 = 1,408.32 : x
2. Step 2: Convert to fraction form
   2,456.08/3,389.52 = 1,408.32/x
3. Step 3: Cross multiply
   2,456.08x = 3,389.52 × 1,408.32
4. Step 4: Simplify right side
   2,456.08x = 4,773,528.81
5. Step 5: Solve for x
   x = 4,773,528.81/2,456.08
6. Step 6: Final answer
   x = 1,943.56