Finding the Fourth Proportional to 6,136.78, 8,467.29 and 3,618.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,136.78 : 8,467.29 = 3,618.69 : x
2. Step 2: Convert to fraction form
   6,136.78/8,467.29 = 3,618.69/x
3. Step 3: Cross multiply
   6,136.78x = 8,467.29 × 3,618.69
4. Step 4: Simplify right side
   6,136.78x = 30,640,500.72
5. Step 5: Solve for x
   x = 30,640,500.72/6,136.78
6. Step 6: Final answer
   x = 4,992.93