Finding the Fourth Proportional to 2,057.10, 3,085.86 and 758.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.10 : 3,085.86 = 758.27 : x
2. Step 2: Convert to fraction form
   2,057.10/3,085.86 = 758.27/x
3. Step 3: Cross multiply
   2,057.10x = 3,085.86 × 758.27
4. Step 4: Simplify right side
   2,057.10x = 2,339,915.06
5. Step 5: Solve for x
   x = 2,339,915.06/2,057.10
6. Step 6: Final answer
   x = 1,137.48