Finding the Fourth Proportional to 18,111.72, 24,995.22 and 13,627.48

Step by Step Solution

1. Step 1: Write the proportion equation
   18,111.72 : 24,995.22 = 13,627.48 : x
2. Step 2: Convert to fraction form
   18,111.72/24,995.22 = 13,627.48/x
3. Step 3: Cross multiply
   18,111.72x = 24,995.22 × 13,627.48
4. Step 4: Simplify right side
   18,111.72x = 340,621,860.65
5. Step 5: Solve for x
   x = 340,621,860.65/18,111.72
6. Step 6: Final answer
   x = 18,806.71