Finding the Fourth Proportional to 2,552.56, 3,828.86 and 1,397.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.56 : 3,828.86 = 1,397.68 : x
2. Step 2: Convert to fraction form
   2,552.56/3,828.86 = 1,397.68/x
3. Step 3: Cross multiply
   2,552.56x = 3,828.86 × 1,397.68
4. Step 4: Simplify right side
   2,552.56x = 5,351,521.04
5. Step 5: Solve for x
   x = 5,351,521.04/2,552.56
6. Step 6: Final answer
   x = 2,096.53