Finding the Fourth Proportional to 18,654.22, 25,743.18 and 10,270.72

Step by Step Solution

1. Step 1: Write the proportion equation
   18,654.22 : 25,743.18 = 10,270.72 : x
2. Step 2: Convert to fraction form
   18,654.22/25,743.18 = 10,270.72/x
3. Step 3: Cross multiply
   18,654.22x = 25,743.18 × 10,270.72
4. Step 4: Simplify right side
   18,654.22x = 264,400,993.69
5. Step 5: Solve for x
   x = 264,400,993.69/18,654.22
6. Step 6: Final answer
   x = 14,173.79