Finding the Fourth Proportional to 11,589.58, 17,383.92 and 8,069.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,589.58 : 17,383.92 = 8,069.42 : x
2. Step 2: Convert to fraction form
   11,589.58/17,383.92 = 8,069.42/x
3. Step 3: Cross multiply
   11,589.58x = 17,383.92 × 8,069.42
4. Step 4: Simplify right side
   11,589.58x = 140,278,164.93
5. Step 5: Solve for x
   x = 140,278,164.93/11,589.58
6. Step 6: Final answer
   x = 12,103.82