Finding the Fourth Proportional to 1,762.94, 2,644.76 and 789.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,762.94 : 2,644.76 = 789.05 : x
2. Step 2: Convert to fraction form
   1,762.94/2,644.76 = 789.05/x
3. Step 3: Cross multiply
   1,762.94x = 2,644.76 × 789.05
4. Step 4: Simplify right side
   1,762.94x = 2,086,856.46
5. Step 5: Solve for x
   x = 2,086,856.46/1,762.94
6. Step 6: Final answer
   x = 1,183.73