Finding the Fourth Proportional to 6,136.20, 8,468.24 and 3,618.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,136.20 : 8,468.24 = 3,618.42 : x
2. Step 2: Convert to fraction form
   6,136.20/8,468.24 = 3,618.42/x
3. Step 3: Cross multiply
   6,136.20x = 8,468.24 × 3,618.42
4. Step 4: Simplify right side
   6,136.20x = 30,641,648.98
5. Step 5: Solve for x
   x = 30,641,648.98/6,136.20
6. Step 6: Final answer
   x = 4,993.59