Finding the Fourth Proportional to 12,136.22, 18,204.43 and 3,371.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,136.22 : 18,204.43 = 3,371.82 : x
2. Step 2: Convert to fraction form
   12,136.22/18,204.43 = 3,371.82/x
3. Step 3: Cross multiply
   12,136.22x = 18,204.43 × 3,371.82
4. Step 4: Simplify right side
   12,136.22x = 61,382,061.16
5. Step 5: Solve for x
   x = 61,382,061.16/12,136.22
6. Step 6: Final answer
   x = 5,057.76