Finding the Fourth Proportional to 2,057.48, 3,085.60 and 759.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.48 : 3,085.60 = 759.04 : x
2. Step 2: Convert to fraction form
   2,057.48/3,085.60 = 759.04/x
3. Step 3: Cross multiply
   2,057.48x = 3,085.60 × 759.04
4. Step 4: Simplify right side
   2,057.48x = 2,342,093.82
5. Step 5: Solve for x
   x = 2,342,093.82/2,057.48
6. Step 6: Final answer
   x = 1,138.33