Finding the Fourth Proportional to 2,078.97, 2,868.81 and 1,194.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.97 : 2,868.81 = 1,194.60 : x
2. Step 2: Convert to fraction form
   2,078.97/2,868.81 = 1,194.60/x
3. Step 3: Cross multiply
   2,078.97x = 2,868.81 × 1,194.60
4. Step 4: Simplify right side
   2,078.97x = 3,427,080.43
5. Step 5: Solve for x
   x = 3,427,080.43/2,078.97
6. Step 6: Final answer
   x = 1,648.45