Finding the Fourth Proportional to 2,443.79, 3,372.71 and 1,395.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.79 : 3,372.71 = 1,395.86 : x
2. Step 2: Convert to fraction form
   2,443.79/3,372.71 = 1,395.86/x
3. Step 3: Cross multiply
   2,443.79x = 3,372.71 × 1,395.86
4. Step 4: Simplify right side
   2,443.79x = 4,707,807.14
5. Step 5: Solve for x
   x = 4,707,807.14/2,443.79
6. Step 6: Final answer
   x = 1,926.43