Finding the Fourth Proportional to 3,521.89, 5,309.27 and 3,284.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,521.89 : 5,309.27 = 3,284.08 : x
2. Step 2: Convert to fraction form
   3,521.89/5,309.27 = 3,284.08/x
3. Step 3: Cross multiply
   3,521.89x = 5,309.27 × 3,284.08
4. Step 4: Simplify right side
   3,521.89x = 17,436,067.42
5. Step 5: Solve for x
   x = 17,436,067.42/3,521.89
6. Step 6: Final answer
   x = 4,950.77