Finding the Fourth Proportional to 2,280.09, 3,419.24 and 894.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.09 : 3,419.24 = 894.09 : x
2. Step 2: Convert to fraction form
   2,280.09/3,419.24 = 894.09/x
3. Step 3: Cross multiply
   2,280.09x = 3,419.24 × 894.09
4. Step 4: Simplify right side
   2,280.09x = 3,057,103.82
5. Step 5: Solve for x
   x = 3,057,103.82/2,280.09
6. Step 6: Final answer
   x = 1,340.78