Finding the Fourth Proportional to 2,490.40, 3,736.37 and 1,395.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490.40 : 3,736.37 = 1,395.55 : x
2. Step 2: Convert to fraction form
   2,490.40/3,736.37 = 1,395.55/x
3. Step 3: Cross multiply
   2,490.40x = 3,736.37 × 1,395.55
4. Step 4: Simplify right side
   2,490.40x = 5,214,291.15
5. Step 5: Solve for x
   x = 5,214,291.15/2,490.40
6. Step 6: Final answer
   x = 2,093.76