Finding the Fourth Proportional to 2,626.72, 3,940.98 and 896.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626.72 : 3,940.98 = 896.56 : x
2. Step 2: Convert to fraction form
   2,626.72/3,940.98 = 896.56/x
3. Step 3: Cross multiply
   2,626.72x = 3,940.98 × 896.56
4. Step 4: Simplify right side
   2,626.72x = 3,533,325.03
5. Step 5: Solve for x
   x = 3,533,325.03/2,626.72
6. Step 6: Final answer
   x = 1,345.15