Finding the Fourth Proportional to 2,736.68, 4,105.29 and 789.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.68 : 4,105.29 = 789.17 : x
2. Step 2: Convert to fraction form
   2,736.68/4,105.29 = 789.17/x
3. Step 3: Cross multiply
   2,736.68x = 4,105.29 × 789.17
4. Step 4: Simplify right side
   2,736.68x = 3,239,771.71
5. Step 5: Solve for x
   x = 3,239,771.71/2,736.68
6. Step 6: Final answer
   x = 1,183.83