Finding the Fourth Proportional to 2,057.22, 3,085.02 and 758.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.22 : 3,085.02 = 758.25 : x
2. Step 2: Convert to fraction form
   2,057.22/3,085.02 = 758.25/x
3. Step 3: Cross multiply
   2,057.22x = 3,085.02 × 758.25
4. Step 4: Simplify right side
   2,057.22x = 2,339,216.42
5. Step 5: Solve for x
   x = 2,339,216.42/2,057.22
6. Step 6: Final answer
   x = 1,137.08