Finding the Fourth Proportional to 18,185.28, 25,097.72 and 10,227.28

Step by Step Solution

1. Step 1: Write the proportion equation
   18,185.28 : 25,097.72 = 10,227.28 : x
2. Step 2: Convert to fraction form
   18,185.28/25,097.72 = 10,227.28/x
3. Step 3: Cross multiply
   18,185.28x = 25,097.72 × 10,227.28
4. Step 4: Simplify right side
   18,185.28x = 256,681,409.80
5. Step 5: Solve for x
   x = 256,681,409.80/18,185.28
6. Step 6: Final answer
   x = 14,114.79