Finding the Fourth Proportional to 3,950.56, 5,949.28 and 3,518.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,950.56 : 5,949.28 = 3,518.02 : x
2. Step 2: Convert to fraction form
   3,950.56/5,949.28 = 3,518.02/x
3. Step 3: Cross multiply
   3,950.56x = 5,949.28 × 3,518.02
4. Step 4: Simplify right side
   3,950.56x = 20,929,686.03
5. Step 5: Solve for x
   x = 20,929,686.03/3,950.56
6. Step 6: Final answer
   x = 5,297.90