Finding the Fourth Proportional to 5,589.50, 8,367.57 and 3,611.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,589.50 : 8,367.57 = 3,611.30 : x
2. Step 2: Convert to fraction form
   5,589.50/8,367.57 = 3,611.30/x
3. Step 3: Cross multiply
   5,589.50x = 8,367.57 × 3,611.30
4. Step 4: Simplify right side
   5,589.50x = 30,217,763.70
5. Step 5: Solve for x
   x = 30,217,763.70/5,589.50
6. Step 6: Final answer
   x = 5,406.17