Finding the Fourth Proportional to 2,339.88, 3,229.46 and 1,395.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339.88 : 3,229.46 = 1,395.74 : x
2. Step 2: Convert to fraction form
   2,339.88/3,229.46 = 1,395.74/x
3. Step 3: Cross multiply
   2,339.88x = 3,229.46 × 1,395.74
4. Step 4: Simplify right side
   2,339.88x = 4,507,463.37
5. Step 5: Solve for x
   x = 4,507,463.37/2,339.88
6. Step 6: Final answer
   x = 1,926.37