Finding the Fourth Proportional to 2,665.51, 3,995.27 and 908.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.51 : 3,995.27 = 908.87 : x
2. Step 2: Convert to fraction form
   2,665.51/3,995.27 = 908.87/x
3. Step 3: Cross multiply
   2,665.51x = 3,995.27 × 908.87
4. Step 4: Simplify right side
   2,665.51x = 3,631,187.52
5. Step 5: Solve for x
   x = 3,631,187.52/2,665.51
6. Step 6: Final answer
   x = 1,362.29