Finding the Fourth Proportional to 2,736.84, 4,105.32 and 789.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.84 : 4,105.32 = 789.24 : x
2. Step 2: Convert to fraction form
   2,736.84/4,105.32 = 789.24/x
3. Step 3: Cross multiply
   2,736.84x = 4,105.32 × 789.24
4. Step 4: Simplify right side
   2,736.84x = 3,240,082.76
5. Step 5: Solve for x
   x = 3,240,082.76/2,736.84
6. Step 6: Final answer
   x = 1,183.88