Finding the Fourth Proportional to 2,628.07, 3,626.78 and 1,433.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.07 : 3,626.78 = 1,433.09 : x
2. Step 2: Convert to fraction form
   2,628.07/3,626.78 = 1,433.09/x
3. Step 3: Cross multiply
   2,628.07x = 3,626.78 × 1,433.09
4. Step 4: Simplify right side
   2,628.07x = 5,197,502.15
5. Step 5: Solve for x
   x = 5,197,502.15/2,628.07
6. Step 6: Final answer
   x = 1,977.69