Finding the Fourth Proportional to 3,087.98, 4,632.42 and 896.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,087.98 : 4,632.42 = 896.42 : x
2. Step 2: Convert to fraction form
   3,087.98/4,632.42 = 896.42/x
3. Step 3: Cross multiply
   3,087.98x = 4,632.42 × 896.42
4. Step 4: Simplify right side
   3,087.98x = 4,152,593.94
5. Step 5: Solve for x
   x = 4,152,593.94/3,087.98
6. Step 6: Final answer
   x = 1,344.76