Finding the Fourth Proportional to 2,078.58, 2,868.47 and 1,194.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.58 : 2,868.47 = 1,194.47 : x
2. Step 2: Convert to fraction form
   2,078.58/2,868.47 = 1,194.47/x
3. Step 3: Cross multiply
   2,078.58x = 2,868.47 × 1,194.47
4. Step 4: Simplify right side
   2,078.58x = 3,426,296.28
5. Step 5: Solve for x
   x = 3,426,296.28/2,078.58
6. Step 6: Final answer
   x = 1,648.38