Finding the Fourth Proportional to 2,736.72, 4,105.69 and 789.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.72 : 4,105.69 = 789.08 : x
2. Step 2: Convert to fraction form
   2,736.72/4,105.69 = 789.08/x
3. Step 3: Cross multiply
   2,736.72x = 4,105.69 × 789.08
4. Step 4: Simplify right side
   2,736.72x = 3,239,695.36
5. Step 5: Solve for x
   x = 3,239,695.36/2,736.72
6. Step 6: Final answer
   x = 1,183.79