Finding the Fourth Proportional to 2,339.40, 3,228.61 and 1,344.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339.40 : 3,228.61 = 1,344.72 : x
2. Step 2: Convert to fraction form
   2,339.40/3,228.61 = 1,344.72/x
3. Step 3: Cross multiply
   2,339.40x = 3,228.61 × 1,344.72
4. Step 4: Simplify right side
   2,339.40x = 4,341,565.01
5. Step 5: Solve for x
   x = 4,341,565.01/2,339.40
6. Step 6: Final answer
   x = 1,855.85