Finding the Fourth Proportional to 6,215.28, 8,576.82 and 3,562.80

Step by Step Solution

1. Step 1: Write the proportion equation
   6,215.28 : 8,576.82 = 3,562.80 : x
2. Step 2: Convert to fraction form
   6,215.28/8,576.82 = 3,562.80/x
3. Step 3: Cross multiply
   6,215.28x = 8,576.82 × 3,562.80
4. Step 4: Simplify right side
   6,215.28x = 30,557,494.30
5. Step 5: Solve for x
   x = 30,557,494.30/6,215.28
6. Step 6: Final answer
   x = 4,916.51