Finding the Fourth Proportional to 1,373.27, 2,060.74 and 789.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.27 : 2,060.74 = 789.01 : x
2. Step 2: Convert to fraction form
   1,373.27/2,060.74 = 789.01/x
3. Step 3: Cross multiply
   1,373.27x = 2,060.74 × 789.01
4. Step 4: Simplify right side
   1,373.27x = 1,625,940.30
5. Step 5: Solve for x
   x = 1,625,940.30/1,373.27
6. Step 6: Final answer
   x = 1,183.99