Finding the Fourth Proportional to 18,193.69, 25,105.94 and 10,234.38

Step by Step Solution

1. Step 1: Write the proportion equation
   18,193.69 : 25,105.94 = 10,234.38 : x
2. Step 2: Convert to fraction form
   18,193.69/25,105.94 = 10,234.38/x
3. Step 3: Cross multiply
   18,193.69x = 25,105.94 × 10,234.38
4. Step 4: Simplify right side
   18,193.69x = 256,943,693.04
5. Step 5: Solve for x
   x = 256,943,693.04/18,193.69
6. Step 6: Final answer
   x = 14,122.69