Finding the Fourth Proportional to 2,057.82, 3,085.29 and 758.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.82 : 3,085.29 = 758.94 : x
2. Step 2: Convert to fraction form
   2,057.82/3,085.29 = 758.94/x
3. Step 3: Cross multiply
   2,057.82x = 3,085.29 × 758.94
4. Step 4: Simplify right side
   2,057.82x = 2,341,549.99
5. Step 5: Solve for x
   x = 2,341,549.99/2,057.82
6. Step 6: Final answer
   x = 1,137.88