Finding the Fourth Proportional to 2,057.04, 3,086.88 and 758.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.04 : 3,086.88 = 758.52 : x
2. Step 2: Convert to fraction form
   2,057.04/3,086.88 = 758.52/x
3. Step 3: Cross multiply
   2,057.04x = 3,086.88 × 758.52
4. Step 4: Simplify right side
   2,057.04x = 2,341,460.22
5. Step 5: Solve for x
   x = 2,341,460.22/2,057.04
6. Step 6: Final answer
   x = 1,138.27