Finding the Fourth Proportional to 2,736.81, 4,105.41 and 789.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.81 : 4,105.41 = 789.18 : x
2. Step 2: Convert to fraction form
   2,736.81/4,105.41 = 789.18/x
3. Step 3: Cross multiply
   2,736.81x = 4,105.41 × 789.18
4. Step 4: Simplify right side
   2,736.81x = 3,239,907.46
5. Step 5: Solve for x
   x = 3,239,907.46/2,736.81
6. Step 6: Final answer
   x = 1,183.83