Finding the Fourth Proportional to 2,844.40, 4,267.16 and 896.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,844.40 : 4,267.16 = 896.72 : x
2. Step 2: Convert to fraction form
   2,844.40/4,267.16 = 896.72/x
3. Step 3: Cross multiply
   2,844.40x = 4,267.16 × 896.72
4. Step 4: Simplify right side
   2,844.40x = 3,826,447.72
5. Step 5: Solve for x
   x = 3,826,447.72/2,844.40
6. Step 6: Final answer
   x = 1,345.26