Finding the Fourth Proportional to 3,919.89, 5,888.04 and 3,304.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,919.89 : 5,888.04 = 3,304.80 : x
2. Step 2: Convert to fraction form
   3,919.89/5,888.04 = 3,304.80/x
3. Step 3: Cross multiply
   3,919.89x = 5,888.04 × 3,304.80
4. Step 4: Simplify right side
   3,919.89x = 19,458,800.79
5. Step 5: Solve for x
   x = 19,458,800.79/3,919.89
6. Step 6: Final answer
   x = 4,964.11