Finding the Fourth Proportional to 3,996.24, 5,513.83 and 3,003.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,996.24 : 5,513.83 = 3,003.90 : x
2. Step 2: Convert to fraction form
   3,996.24/5,513.83 = 3,003.90/x
3. Step 3: Cross multiply
   3,996.24x = 5,513.83 × 3,003.90
4. Step 4: Simplify right side
   3,996.24x = 16,562,993.94
5. Step 5: Solve for x
   x = 16,562,993.94/3,996.24
6. Step 6: Final answer
   x = 4,144.64