Finding the Fourth Proportional to 2,443.10, 3,371.56 and 1,380.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.10 : 3,371.56 = 1,380.92 : x
2. Step 2: Convert to fraction form
   2,443.10/3,371.56 = 1,380.92/x
3. Step 3: Cross multiply
   2,443.10x = 3,371.56 × 1,380.92
4. Step 4: Simplify right side
   2,443.10x = 4,655,834.33
5. Step 5: Solve for x
   x = 4,655,834.33/2,443.10
6. Step 6: Final answer
   x = 1,905.71