Finding the Fourth Proportional to 2,456.71, 3,390.33 and 1,337.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.71 : 3,390.33 = 1,337.72 : x
2. Step 2: Convert to fraction form
   2,456.71/3,390.33 = 1,337.72/x
3. Step 3: Cross multiply
   2,456.71x = 3,390.33 × 1,337.72
4. Step 4: Simplify right side
   2,456.71x = 4,535,288.61
5. Step 5: Solve for x
   x = 4,535,288.61/2,456.71
6. Step 6: Final answer
   x = 1,846.09