Finding the Fourth Proportional to 2,078.28, 2,868.18 and 1,194.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.28 : 2,868.18 = 1,194.12 : x
2. Step 2: Convert to fraction form
   2,078.28/2,868.18 = 1,194.12/x
3. Step 3: Cross multiply
   2,078.28x = 2,868.18 × 1,194.12
4. Step 4: Simplify right side
   2,078.28x = 3,424,951.10
5. Step 5: Solve for x
   x = 3,424,951.10/2,078.28
6. Step 6: Final answer
   x = 1,647.97