Finding the Fourth Proportional to 2,443.45, 3,371.38 and 1,381.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.45 : 3,371.38 = 1,381.24 : x
2. Step 2: Convert to fraction form
   2,443.45/3,371.38 = 1,381.24/x
3. Step 3: Cross multiply
   2,443.45x = 3,371.38 × 1,381.24
4. Step 4: Simplify right side
   2,443.45x = 4,656,684.91
5. Step 5: Solve for x
   x = 4,656,684.91/2,443.45
6. Step 6: Final answer
   x = 1,905.78