Finding the Fourth Proportional to 2,552.76, 3,825.57 and 1,380.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.76 : 3,825.57 = 1,380.23 : x
2. Step 2: Convert to fraction form
   2,552.76/3,825.57 = 1,380.23/x
3. Step 3: Cross multiply
   2,552.76x = 3,825.57 × 1,380.23
4. Step 4: Simplify right side
   2,552.76x = 5,280,166.48
5. Step 5: Solve for x
   x = 5,280,166.48/2,552.76
6. Step 6: Final answer
   x = 2,068.41