Finding the Fourth Proportional to 2,057.16, 3,081.06 and 1,711.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.16 : 3,081.06 = 1,711.56 : x
2. Step 2: Convert to fraction form
   2,057.16/3,081.06 = 1,711.56/x
3. Step 3: Cross multiply
   2,057.16x = 3,081.06 × 1,711.56
4. Step 4: Simplify right side
   2,057.16x = 5,273,419.05
5. Step 5: Solve for x
   x = 5,273,419.05/2,057.16
6. Step 6: Final answer
   x = 2,563.45