Finding the Fourth Proportional to 18,086.52, 27,128.21 and 5,606.27

Step by Step Solution

1. Step 1: Write the proportion equation
   18,086.52 : 27,128.21 = 5,606.27 : x
2. Step 2: Convert to fraction form
   18,086.52/27,128.21 = 5,606.27/x
3. Step 3: Cross multiply
   18,086.52x = 27,128.21 × 5,606.27
4. Step 4: Simplify right side
   18,086.52x = 152,087,934.24
5. Step 5: Solve for x
   x = 152,087,934.24/18,086.52
6. Step 6: Final answer
   x = 8,408.91