Finding the Fourth Proportional to 2,295.31, 3,440.59 and 908.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,295.31 : 3,440.59 = 908.09 : x
2. Step 2: Convert to fraction form
   2,295.31/3,440.59 = 908.09/x
3. Step 3: Cross multiply
   2,295.31x = 3,440.59 × 908.09
4. Step 4: Simplify right side
   2,295.31x = 3,124,365.37
5. Step 5: Solve for x
   x = 3,124,365.37/2,295.31
6. Step 6: Final answer
   x = 1,361.20