Finding the Fourth Proportional to 3,300.89, 4,922.24 and 3,271.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.89 : 4,922.24 = 3,271.28 : x
2. Step 2: Convert to fraction form
   3,300.89/4,922.24 = 3,271.28/x
3. Step 3: Cross multiply
   3,300.89x = 4,922.24 × 3,271.28
4. Step 4: Simplify right side
   3,300.89x = 16,101,984.30
5. Step 5: Solve for x
   x = 16,101,984.30/3,300.89
6. Step 6: Final answer
   x = 4,878.08