Finding the Fourth Proportional to 30,072.57, 41,500.25 and 18,136.41

Step by Step Solution

1. Step 1: Write the proportion equation
   30,072.57 : 41,500.25 = 18,136.41 : x
2. Step 2: Convert to fraction form
   30,072.57/41,500.25 = 18,136.41/x
3. Step 3: Cross multiply
   30,072.57x = 41,500.25 × 18,136.41
4. Step 4: Simplify right side
   30,072.57x = 752,665,458.42
5. Step 5: Solve for x
   x = 752,665,458.42/30,072.57
6. Step 6: Final answer
   x = 25,028.31