Finding the Fourth Proportional to 2,628.69, 3,627.89 and 1,509.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.69 : 3,627.89 = 1,509.75 : x
2. Step 2: Convert to fraction form
   2,628.69/3,627.89 = 1,509.75/x
3. Step 3: Cross multiply
   2,628.69x = 3,627.89 × 1,509.75
4. Step 4: Simplify right side
   2,628.69x = 5,477,199.38
5. Step 5: Solve for x
   x = 5,477,199.38/2,628.69
6. Step 6: Final answer
   x = 2,083.62