Finding the Fourth Proportional to 2,339.92, 3,229.41 and 1,345.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339.92 : 3,229.41 = 1,345.18 : x
2. Step 2: Convert to fraction form
   2,339.92/3,229.41 = 1,345.18/x
3. Step 3: Cross multiply
   2,339.92x = 3,229.41 × 1,345.18
4. Step 4: Simplify right side
   2,339.92x = 4,344,128.47
5. Step 5: Solve for x
   x = 4,344,128.47/2,339.92
6. Step 6: Final answer
   x = 1,856.53