Finding the Fourth Proportional to 2,581.74, 3,871.76 and 1,395.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.74 : 3,871.76 = 1,395.56 : x
2. Step 2: Convert to fraction form
   2,581.74/3,871.76 = 1,395.56/x
3. Step 3: Cross multiply
   2,581.74x = 3,871.76 × 1,395.56
4. Step 4: Simplify right side
   2,581.74x = 5,403,273.39
5. Step 5: Solve for x
   x = 5,403,273.39/2,581.74
6. Step 6: Final answer
   x = 2,092.88