Finding the Fourth Proportional to 2,544.82, 3,817.78 and 789.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,544.82 : 3,817.78 = 789.79 : x
2. Step 2: Convert to fraction form
   2,544.82/3,817.78 = 789.79/x
3. Step 3: Cross multiply
   2,544.82x = 3,817.78 × 789.79
4. Step 4: Simplify right side
   2,544.82x = 3,015,242.49
5. Step 5: Solve for x
   x = 3,015,242.49/2,544.82
6. Step 6: Final answer
   x = 1,184.85