Finding the Fourth Proportional to 2,745.59, 4,117.96 and 896.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,745.59 : 4,117.96 = 896.30 : x
2. Step 2: Convert to fraction form
   2,745.59/4,117.96 = 896.30/x
3. Step 3: Cross multiply
   2,745.59x = 4,117.96 × 896.30
4. Step 4: Simplify right side
   2,745.59x = 3,690,902.48
5. Step 5: Solve for x
   x = 3,690,902.48/2,745.59
6. Step 6: Final answer
   x = 1,344.30