Finding the Fourth Proportional to 2,628.38, 3,626.89 and 1,509.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.38 : 3,626.89 = 1,509.05 : x
2. Step 2: Convert to fraction form
   2,628.38/3,626.89 = 1,509.05/x
3. Step 3: Cross multiply
   2,628.38x = 3,626.89 × 1,509.05
4. Step 4: Simplify right side
   2,628.38x = 5,473,158.35
5. Step 5: Solve for x
   x = 5,473,158.35/2,628.38
6. Step 6: Final answer
   x = 2,082.33