Finding the Fourth Proportional to 2,456.48, 3,389.90 and 1,337.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.48 : 3,389.90 = 1,337.40 : x
2. Step 2: Convert to fraction form
   2,456.48/3,389.90 = 1,337.40/x
3. Step 3: Cross multiply
   2,456.48x = 3,389.90 × 1,337.40
4. Step 4: Simplify right side
   2,456.48x = 4,533,655.60
5. Step 5: Solve for x
   x = 4,533,655.60/2,456.48
6. Step 6: Final answer
   x = 1,845.59