Finding the Fourth Proportional to 2,443.15, 3,371.34 and 1,381.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.15 : 3,371.34 = 1,381.00 : x
2. Step 2: Convert to fraction form
   2,443.15/3,371.34 = 1,381.00/x
3. Step 3: Cross multiply
   2,443.15x = 3,371.34 × 1,381.00
4. Step 4: Simplify right side
   2,443.15x = 4,655,828.97
5. Step 5: Solve for x
   x = 4,655,828.97/2,443.15
6. Step 6: Final answer
   x = 1,905.67