Finding the Fourth Proportional to 2,073.87, 3,109.73 and 774.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.87 : 3,109.73 = 774.27 : x
2. Step 2: Convert to fraction form
   2,073.87/3,109.73 = 774.27/x
3. Step 3: Cross multiply
   2,073.87x = 3,109.73 × 774.27
4. Step 4: Simplify right side
   2,073.87x = 2,407,766.78
5. Step 5: Solve for x
   x = 2,407,766.78/2,073.87
6. Step 6: Final answer
   x = 1,161.00