Finding the Fourth Proportional to 18,608.10, 25,678.89 and 10,224.42

Step by Step Solution

1. Step 1: Write the proportion equation
   18,608.10 : 25,678.89 = 10,224.42 : x
2. Step 2: Convert to fraction form
   18,608.10/25,678.89 = 10,224.42/x
3. Step 3: Cross multiply
   18,608.10x = 25,678.89 × 10,224.42
4. Step 4: Simplify right side
   18,608.10x = 262,551,756.49
5. Step 5: Solve for x
   x = 262,551,756.49/18,608.10
6. Step 6: Final answer
   x = 14,109.54