Finding the Fourth Proportional to 2,078.19, 2,867.86 and 1,194.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.19 : 2,867.86 = 1,194.18 : x
2. Step 2: Convert to fraction form
   2,078.19/2,867.86 = 1,194.18/x
3. Step 3: Cross multiply
   2,078.19x = 2,867.86 × 1,194.18
4. Step 4: Simplify right side
   2,078.19x = 3,424,741.05
5. Step 5: Solve for x
   x = 3,424,741.05/2,078.19
6. Step 6: Final answer
   x = 1,647.94