Finding the Fourth Proportional to 2,456.91, 3,390.54 and 1,337.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.91 : 3,390.54 = 1,337.85 : x
2. Step 2: Convert to fraction form
   2,456.91/3,390.54 = 1,337.85/x
3. Step 3: Cross multiply
   2,456.91x = 3,390.54 × 1,337.85
4. Step 4: Simplify right side
   2,456.91x = 4,536,033.94
5. Step 5: Solve for x
   x = 4,536,033.94/2,456.91
6. Step 6: Final answer
   x = 1,846.24