Finding the Fourth Proportional to 18,144.48, 25,036.55 and 10,185.19

Step by Step Solution

1. Step 1: Write the proportion equation
   18,144.48 : 25,036.55 = 10,185.19 : x
2. Step 2: Convert to fraction form
   18,144.48/25,036.55 = 10,185.19/x
3. Step 3: Cross multiply
   18,144.48x = 25,036.55 × 10,185.19
4. Step 4: Simplify right side
   18,144.48x = 255,002,018.69
5. Step 5: Solve for x
   x = 255,002,018.69/18,144.48
6. Step 6: Final answer
   x = 14,053.97