Finding the Fourth Proportional to 3,651.56, 5,038.89 and 2,057.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,651.56 : 5,038.89 = 2,057.71 : x
2. Step 2: Convert to fraction form
   3,651.56/5,038.89 = 2,057.71/x
3. Step 3: Cross multiply
   3,651.56x = 5,038.89 × 2,057.71
4. Step 4: Simplify right side
   3,651.56x = 10,368,574.34
5. Step 5: Solve for x
   x = 10,368,574.34/3,651.56
6. Step 6: Final answer
   x = 2,839.49