Finding the Fourth Proportional to 2,757.56, 4,136.29 and 908.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,757.56 : 4,136.29 = 908.69 : x
2. Step 2: Convert to fraction form
   2,757.56/4,136.29 = 908.69/x
3. Step 3: Cross multiply
   2,757.56x = 4,136.29 × 908.69
4. Step 4: Simplify right side
   2,757.56x = 3,758,605.36
5. Step 5: Solve for x
   x = 3,758,605.36/2,757.56
6. Step 6: Final answer
   x = 1,363.02