Finding the Fourth Proportional to 5,722.62, 8,585.85 and 3,528.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,722.62 : 8,585.85 = 3,528.30 : x
2. Step 2: Convert to fraction form
   5,722.62/8,585.85 = 3,528.30/x
3. Step 3: Cross multiply
   5,722.62x = 8,585.85 × 3,528.30
4. Step 4: Simplify right side
   5,722.62x = 30,293,454.56
5. Step 5: Solve for x
   x = 30,293,454.56/5,722.62
6. Step 6: Final answer
   x = 5,293.63