Finding the Fourth Proportional to 2,581.37, 3,869.88 and 1,119.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.37 : 3,869.88 = 1,119.42 : x
2. Step 2: Convert to fraction form
   2,581.37/3,869.88 = 1,119.42/x
3. Step 3: Cross multiply
   2,581.37x = 3,869.88 × 1,119.42
4. Step 4: Simplify right side
   2,581.37x = 4,332,016.87
5. Step 5: Solve for x
   x = 4,332,016.87/2,581.37
6. Step 6: Final answer
   x = 1,678.19