Finding the Fourth Proportional to 2,208.63, 3,314.46 and 910.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208.63 : 3,314.46 = 910.09 : x
2. Step 2: Convert to fraction form
   2,208.63/3,314.46 = 910.09/x
3. Step 3: Cross multiply
   2,208.63x = 3,314.46 × 910.09
4. Step 4: Simplify right side
   2,208.63x = 3,016,456.90
5. Step 5: Solve for x
   x = 3,016,456.90/2,208.63
6. Step 6: Final answer
   x = 1,365.76