Finding the Fourth Proportional to 2,629.39, 3,629.19 and 1,581.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629.39 : 3,629.19 = 1,581.25 : x
2. Step 2: Convert to fraction form
   2,629.39/3,629.19 = 1,581.25/x
3. Step 3: Cross multiply
   2,629.39x = 3,629.19 × 1,581.25
4. Step 4: Simplify right side
   2,629.39x = 5,738,656.69
5. Step 5: Solve for x
   x = 5,738,656.69/2,629.39
6. Step 6: Final answer
   x = 2,182.50