Finding the Fourth Proportional to 33,096.72, 49,643.96 and 8,136.72

Step by Step Solution

1. Step 1: Write the proportion equation
   33,096.72 : 49,643.96 = 8,136.72 : x
2. Step 2: Convert to fraction form
   33,096.72/49,643.96 = 8,136.72/x
3. Step 3: Cross multiply
   33,096.72x = 49,643.96 × 8,136.72
4. Step 4: Simplify right side
   33,096.72x = 403,939,002.21
5. Step 5: Solve for x
   x = 403,939,002.21/33,096.72
6. Step 6: Final answer
   x = 12,204.80