Finding the Fourth Proportional to 3,631.27, 5,420.25 and 3,323.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,631.27 : 5,420.25 = 3,323.47 : x
2. Step 2: Convert to fraction form
   3,631.27/5,420.25 = 3,323.47/x
3. Step 3: Cross multiply
   3,631.27x = 5,420.25 × 3,323.47
4. Step 4: Simplify right side
   3,631.27x = 18,014,038.27
5. Step 5: Solve for x
   x = 18,014,038.27/3,631.27
6. Step 6: Final answer
   x = 4,960.81