Finding the Fourth Proportional to 2,022.49, 3,035.10 and 789.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.49 : 3,035.10 = 789.89 : x
2. Step 2: Convert to fraction form
   2,022.49/3,035.10 = 789.89/x
3. Step 3: Cross multiply
   2,022.49x = 3,035.10 × 789.89
4. Step 4: Simplify right side
   2,022.49x = 2,397,395.14
5. Step 5: Solve for x
   x = 2,397,395.14/2,022.49
6. Step 6: Final answer
   x = 1,185.37