Finding the Fourth Proportional to 2,443.06, 3,371.22 and 1,381.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.06 : 3,371.22 = 1,381.09 : x
2. Step 2: Convert to fraction form
   2,443.06/3,371.22 = 1,381.09/x
3. Step 3: Cross multiply
   2,443.06x = 3,371.22 × 1,381.09
4. Step 4: Simplify right side
   2,443.06x = 4,655,958.23
5. Step 5: Solve for x
   x = 4,655,958.23/2,443.06
6. Step 6: Final answer
   x = 1,905.79