Finding the Fourth Proportional to 2,057.66, 3,072.27 and 1,764.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.66 : 3,072.27 = 1,764.71 : x
2. Step 2: Convert to fraction form
   2,057.66/3,072.27 = 1,764.71/x
3. Step 3: Cross multiply
   2,057.66x = 3,072.27 × 1,764.71
4. Step 4: Simplify right side
   2,057.66x = 5,421,650.23
5. Step 5: Solve for x
   x = 5,421,650.23/2,057.66
6. Step 6: Final answer
   x = 2,634.87