Finding the Fourth Proportional to 1,456.25, 2,185.38 and 908.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.25 : 2,185.38 = 908.82 : x
2. Step 2: Convert to fraction form
   1,456.25/2,185.38 = 908.82/x
3. Step 3: Cross multiply
   1,456.25x = 2,185.38 × 908.82
4. Step 4: Simplify right side
   1,456.25x = 1,986,117.05
5. Step 5: Solve for x
   x = 1,986,117.05/1,456.25
6. Step 6: Final answer
   x = 1,363.86