Finding the Fourth Proportional to 2,456.79, 3,684.28 and 896.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.79 : 3,684.28 = 896.28 : x
2. Step 2: Convert to fraction form
   2,456.79/3,684.28 = 896.28/x
3. Step 3: Cross multiply
   2,456.79x = 3,684.28 × 896.28
4. Step 4: Simplify right side
   2,456.79x = 3,302,146.48
5. Step 5: Solve for x
   x = 3,302,146.48/2,456.79
6. Step 6: Final answer
   x = 1,344.09