Finding the Fourth Proportional to 18,142.72, 25,035.59 and 10,183.42

Step by Step Solution

1. Step 1: Write the proportion equation
   18,142.72 : 25,035.59 = 10,183.42 : x
2. Step 2: Convert to fraction form
   18,142.72/25,035.59 = 10,183.42/x
3. Step 3: Cross multiply
   18,142.72x = 25,035.59 × 10,183.42
4. Step 4: Simplify right side
   18,142.72x = 254,947,751.82
5. Step 5: Solve for x
   x = 254,947,751.82/18,142.72
6. Step 6: Final answer
   x = 14,052.35