Finding the Fourth Proportional to 18,196.44, 25,111.57 and 10,238.94

Step by Step Solution

1. Step 1: Write the proportion equation
   18,196.44 : 25,111.57 = 10,238.94 : x
2. Step 2: Convert to fraction form
   18,196.44/25,111.57 = 10,238.94/x
3. Step 3: Cross multiply
   18,196.44x = 25,111.57 × 10,238.94
4. Step 4: Simplify right side
   18,196.44x = 257,115,858.54
5. Step 5: Solve for x
   x = 257,115,858.54/18,196.44
6. Step 6: Final answer
   x = 14,130.01