Finding the Fourth Proportional to 2,551.94, 3,825.50 and 1,380.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.94 : 3,825.50 = 1,380.18 : x
2. Step 2: Convert to fraction form
   2,551.94/3,825.50 = 1,380.18/x
3. Step 3: Cross multiply
   2,551.94x = 3,825.50 × 1,380.18
4. Step 4: Simplify right side
   2,551.94x = 5,279,871.69
5. Step 5: Solve for x
   x = 5,279,871.69/2,551.94
6. Step 6: Final answer
   x = 2,068.97