Finding the Fourth Proportional to 3,628.50, 5,007.95 and 2,057.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,628.50 : 5,007.95 = 2,057.51 : x
2. Step 2: Convert to fraction form
   3,628.50/5,007.95 = 2,057.51/x
3. Step 3: Cross multiply
   3,628.50x = 5,007.95 × 2,057.51
4. Step 4: Simplify right side
   3,628.50x = 10,303,871.88
5. Step 5: Solve for x
   x = 10,303,871.88/3,628.50
6. Step 6: Final answer
   x = 2,839.71