Finding the Fourth Proportional to 2,629.73, 3,628.52 and 1,581.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629.73 : 3,628.52 = 1,581.86 : x
2. Step 2: Convert to fraction form
   2,629.73/3,628.52 = 1,581.86/x
3. Step 3: Cross multiply
   2,629.73x = 3,628.52 × 1,581.86
4. Step 4: Simplify right side
   2,629.73x = 5,739,810.65
5. Step 5: Solve for x
   x = 5,739,810.65/2,629.73
6. Step 6: Final answer
   x = 2,182.66