Finding the Fourth Proportional to 18,196.16, 25,110.41 and 10,238.38

Step by Step Solution

1. Step 1: Write the proportion equation
   18,196.16 : 25,110.41 = 10,238.38 : x
2. Step 2: Convert to fraction form
   18,196.16/25,110.41 = 10,238.38/x
3. Step 3: Cross multiply
   18,196.16x = 25,110.41 × 10,238.38
4. Step 4: Simplify right side
   18,196.16x = 257,089,919.54
5. Step 5: Solve for x
   x = 257,089,919.54/18,196.16
6. Step 6: Final answer
   x = 14,128.80