Finding the Fourth Proportional to 2,057.83, 3,086.94 and 759.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.83 : 3,086.94 = 759.13 : x
2. Step 2: Convert to fraction form
   2,057.83/3,086.94 = 759.13/x
3. Step 3: Cross multiply
   2,057.83x = 3,086.94 × 759.13
4. Step 4: Simplify right side
   2,057.83x = 2,343,388.76
5. Step 5: Solve for x
   x = 2,343,388.76/2,057.83
6. Step 6: Final answer
   x = 1,138.77