Finding the Fourth Proportional to 12,014.56, 18,028.38 and 5,440.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,014.56 : 18,028.38 = 5,440.24 : x
2. Step 2: Convert to fraction form
   12,014.56/18,028.38 = 5,440.24/x
3. Step 3: Cross multiply
   12,014.56x = 18,028.38 × 5,440.24
4. Step 4: Simplify right side
   12,014.56x = 98,078,714.01
5. Step 5: Solve for x
   x = 98,078,714.01/12,014.56
6. Step 6: Final answer
   x = 8,163.32