Finding the Fourth Proportional to 18,067.34, 27,128.56 and 17,176.34

Step by Step Solution

1. Step 1: Write the proportion equation
   18,067.34 : 27,128.56 = 17,176.34 : x
2. Step 2: Convert to fraction form
   18,067.34/27,128.56 = 17,176.34/x
3. Step 3: Cross multiply
   18,067.34x = 27,128.56 × 17,176.34
4. Step 4: Simplify right side
   18,067.34x = 465,969,370.27
5. Step 5: Solve for x
   x = 465,969,370.27/18,067.34
6. Step 6: Final answer
   x = 25,790.70