Finding the Fourth Proportional to 2,057.27, 3,085.61 and 758.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.27 : 3,085.61 = 758.44 : x
2. Step 2: Convert to fraction form
   2,057.27/3,085.61 = 758.44/x
3. Step 3: Cross multiply
   2,057.27x = 3,085.61 × 758.44
4. Step 4: Simplify right side
   2,057.27x = 2,340,238.54
5. Step 5: Solve for x
   x = 2,340,238.54/2,057.27
6. Step 6: Final answer
   x = 1,137.54