Finding the Fourth Proportional to 18,072.72, 24,940.33 and 10,116.47

Step by Step Solution

1. Step 1: Write the proportion equation
   18,072.72 : 24,940.33 = 10,116.47 : x
2. Step 2: Convert to fraction form
   18,072.72/24,940.33 = 10,116.47/x
3. Step 3: Cross multiply
   18,072.72x = 24,940.33 × 10,116.47
4. Step 4: Simplify right side
   18,072.72x = 252,308,137.29
5. Step 5: Solve for x
   x = 252,308,137.29/18,072.72
6. Step 6: Final answer
   x = 13,960.72