Finding the Fourth Proportional to 8,136.24, 12,197.16 and 3,516.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,136.24 : 12,197.16 = 3,516.72 : x
2. Step 2: Convert to fraction form
   8,136.24/12,197.16 = 3,516.72/x
3. Step 3: Cross multiply
   8,136.24x = 12,197.16 × 3,516.72
4. Step 4: Simplify right side
   8,136.24x = 42,893,996.52
5. Step 5: Solve for x
   x = 42,893,996.52/8,136.24
6. Step 6: Final answer
   x = 5,271.97