Finding the Fourth Proportional to 6,217.32, 8,580.42 and 3,564.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,217.32 : 8,580.42 = 3,564.84 : x
2. Step 2: Convert to fraction form
   6,217.32/8,580.42 = 3,564.84/x
3. Step 3: Cross multiply
   6,217.32x = 8,580.42 × 3,564.84
4. Step 4: Simplify right side
   6,217.32x = 30,587,824.43
5. Step 5: Solve for x
   x = 30,587,824.43/6,217.32
6. Step 6: Final answer
   x = 4,919.78