Finding the Fourth Proportional to 2,629.56, 3,628.81 and 1,581.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629.56 : 3,628.81 = 1,581.83 : x
2. Step 2: Convert to fraction form
   2,629.56/3,628.81 = 1,581.83/x
3. Step 3: Cross multiply
   2,629.56x = 3,628.81 × 1,581.83
4. Step 4: Simplify right side
   2,629.56x = 5,740,160.52
5. Step 5: Solve for x
   x = 5,740,160.52/2,629.56
6. Step 6: Final answer
   x = 2,182.94