Finding the Fourth Proportional to 2,552.28, 3,825.78 and 1,395.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.28 : 3,825.78 = 1,395.56 : x
2. Step 2: Convert to fraction form
   2,552.28/3,825.78 = 1,395.56/x
3. Step 3: Cross multiply
   2,552.28x = 3,825.78 × 1,395.56
4. Step 4: Simplify right side
   2,552.28x = 5,339,105.54
5. Step 5: Solve for x
   x = 5,339,105.54/2,552.28
6. Step 6: Final answer
   x = 2,091.90