Finding the Fourth Proportional to 18,144.48, 25,036.56 and 10,185.18

Step by Step Solution

1. Step 1: Write the proportion equation
   18,144.48 : 25,036.56 = 10,185.18 : x
2. Step 2: Convert to fraction form
   18,144.48/25,036.56 = 10,185.18/x
3. Step 3: Cross multiply
   18,144.48x = 25,036.56 × 10,185.18
4. Step 4: Simplify right side
   18,144.48x = 255,001,870.18
5. Step 5: Solve for x
   x = 255,001,870.18/18,144.48
6. Step 6: Final answer
   x = 14,053.96