Finding the Fourth Proportional to 19,086.48, 26,339.31 and 10,589.89

Step by Step Solution

1. Step 1: Write the proportion equation
   19,086.48 : 26,339.31 = 10,589.89 : x
2. Step 2: Convert to fraction form
   19,086.48/26,339.31 = 10,589.89/x
3. Step 3: Cross multiply
   19,086.48x = 26,339.31 × 10,589.89
4. Step 4: Simplify right side
   19,086.48x = 278,930,395.58
5. Step 5: Solve for x
   x = 278,930,395.58/19,086.48
6. Step 6: Final answer
   x = 14,614.03