Finding the Fourth Proportional to 2,086.27, 2,879 and 1,154.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.27 : 2,879 = 1,154.77 : x
2. Step 2: Convert to fraction form
   2,086.27/2,879 = 1,154.77/x
3. Step 3: Cross multiply
   2,086.27x = 2,879 × 1,154.77
4. Step 4: Simplify right side
   2,086.27x = 3,324,582.83
5. Step 5: Solve for x
   x = 3,324,582.83/2,086.27
6. Step 6: Final answer
   x = 1,593.55