Finding the Fourth Proportional to 1,944.14, 2,917.43 and 789.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,944.14 : 2,917.43 = 789.89 : x
2. Step 2: Convert to fraction form
   1,944.14/2,917.43 = 789.89/x
3. Step 3: Cross multiply
   1,944.14x = 2,917.43 × 789.89
4. Step 4: Simplify right side
   1,944.14x = 2,304,444.83
5. Step 5: Solve for x
   x = 2,304,444.83/1,944.14
6. Step 6: Final answer
   x = 1,185.33