Finding the Fourth Proportional to 7,028.48, 9,699.36 and 3,884.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,028.48 : 9,699.36 = 3,884.72 : x
2. Step 2: Convert to fraction form
   7,028.48/9,699.36 = 3,884.72/x
3. Step 3: Cross multiply
   7,028.48x = 9,699.36 × 3,884.72
4. Step 4: Simplify right side
   7,028.48x = 37,679,297.78
5. Step 5: Solve for x
   x = 37,679,297.78/7,028.48
6. Step 6: Final answer
   x = 5,360.95