Finding the Fourth Proportional to 2,078.24, 2,868.04 and 1,146.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.24 : 2,868.04 = 1,146.76 : x
2. Step 2: Convert to fraction form
   2,078.24/2,868.04 = 1,146.76/x
3. Step 3: Cross multiply
   2,078.24x = 2,868.04 × 1,146.76
4. Step 4: Simplify right side
   2,078.24x = 3,288,953.55
5. Step 5: Solve for x
   x = 3,288,953.55/2,078.24
6. Step 6: Final answer
   x = 1,582.57