Finding the Fourth Proportional to 2,056.66, 3,082.38 and 756.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.66 : 3,082.38 = 756.70 : x
2. Step 2: Convert to fraction form
   2,056.66/3,082.38 = 756.70/x
3. Step 3: Cross multiply
   2,056.66x = 3,082.38 × 756.70
4. Step 4: Simplify right side
   2,056.66x = 2,332,436.95
5. Step 5: Solve for x
   x = 2,332,436.95/2,056.66
6. Step 6: Final answer
   x = 1,134.09