Finding the Fourth Proportional to 2,495.90, 3,743.82 and 1,386

Step by Step Solution

1. Step 1: Write the proportion equation
   2,495.90 : 3,743.82 = 1,386 : x
2. Step 2: Convert to fraction form
   2,495.90/3,743.82 = 1,386/x
3. Step 3: Cross multiply
   2,495.90x = 3,743.82 × 1,386
4. Step 4: Simplify right side
   2,495.90x = 5,188,934.52
5. Step 5: Solve for x
   x = 5,188,934.52/2,495.90
6. Step 6: Final answer
   x = 2,078.98