Finding the Fourth Proportional to 6,219.98, 8,584.72 and 3,567.40

Step by Step Solution

1. Step 1: Write the proportion equation
   6,219.98 : 8,584.72 = 3,567.40 : x
2. Step 2: Convert to fraction form
   6,219.98/8,584.72 = 3,567.40/x
3. Step 3: Cross multiply
   6,219.98x = 8,584.72 × 3,567.40
4. Step 4: Simplify right side
   6,219.98x = 30,625,130.13
5. Step 5: Solve for x
   x = 30,625,130.13/6,219.98
6. Step 6: Final answer
   x = 4,923.67