Finding the Fourth Proportional to 2,078.29, 2,868.04 and 1,146.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.29 : 2,868.04 = 1,146.79 : x
2. Step 2: Convert to fraction form
   2,078.29/2,868.04 = 1,146.79/x
3. Step 3: Cross multiply
   2,078.29x = 2,868.04 × 1,146.79
4. Step 4: Simplify right side
   2,078.29x = 3,289,039.59
5. Step 5: Solve for x
   x = 3,289,039.59/2,078.29
6. Step 6: Final answer
   x = 1,582.57