Finding the Fourth Proportional to 6,216.82, 8,579.39 and 3,527.99

Step by Step Solution

1. Step 1: Write the proportion equation
   6,216.82 : 8,579.39 = 3,527.99 : x
2. Step 2: Convert to fraction form
   6,216.82/8,579.39 = 3,527.99/x
3. Step 3: Cross multiply
   6,216.82x = 8,579.39 × 3,527.99
4. Step 4: Simplify right side
   6,216.82x = 30,267,941.59
5. Step 5: Solve for x
   x = 30,267,941.59/6,216.82
6. Step 6: Final answer
   x = 4,868.72