Finding the Fourth Proportional to 2,443, 3,371.46 and 1,339

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443 : 3,371.46 = 1,339 : x
2. Step 2: Convert to fraction form
   2,443/3,371.46 = 1,339/x
3. Step 3: Cross multiply
   2,443x = 3,371.46 × 1,339
4. Step 4: Simplify right side
   2,443x = 4,514,384.94
5. Step 5: Solve for x
   x = 4,514,384.94/2,443
6. Step 6: Final answer
   x = 1,847.89