Finding the Fourth Proportional to 18,064.88, 27,087.42 and 5,581.52

Step by Step Solution

1. Step 1: Write the proportion equation
   18,064.88 : 27,087.42 = 5,581.52 : x
2. Step 2: Convert to fraction form
   18,064.88/27,087.42 = 5,581.52/x
3. Step 3: Cross multiply
   18,064.88x = 27,087.42 × 5,581.52
4. Step 4: Simplify right side
   18,064.88x = 151,188,976.48
5. Step 5: Solve for x
   x = 151,188,976.48/18,064.88
6. Step 6: Final answer
   x = 8,369.22