Finding the Fourth Proportional to 2,340.37, 3,229.36 and 1,345.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,340.37 : 3,229.36 = 1,345.69 : x
2. Step 2: Convert to fraction form
   2,340.37/3,229.36 = 1,345.69/x
3. Step 3: Cross multiply
   2,340.37x = 3,229.36 × 1,345.69
4. Step 4: Simplify right side
   2,340.37x = 4,345,717.46
5. Step 5: Solve for x
   x = 4,345,717.46/2,340.37
6. Step 6: Final answer
   x = 1,856.85