Finding the Fourth Proportional to 2,443.38, 3,371.94 and 1,395.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.38 : 3,371.94 = 1,395.78 : x
2. Step 2: Convert to fraction form
   2,443.38/3,371.94 = 1,395.78/x
3. Step 3: Cross multiply
   2,443.38x = 3,371.94 × 1,395.78
4. Step 4: Simplify right side
   2,443.38x = 4,706,486.41
5. Step 5: Solve for x
   x = 4,706,486.41/2,443.38
6. Step 6: Final answer
   x = 1,926.22