Finding the Fourth Proportional to 2,057.76, 3,083.04 and 1,713.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.76 : 3,083.04 = 1,713.31 : x
2. Step 2: Convert to fraction form
   2,057.76/3,083.04 = 1,713.31/x
3. Step 3: Cross multiply
   2,057.76x = 3,083.04 × 1,713.31
4. Step 4: Simplify right side
   2,057.76x = 5,282,187.85
5. Step 5: Solve for x
   x = 5,282,187.85/2,057.76
6. Step 6: Final answer
   x = 2,566.97