Finding the Fourth Proportional to 11,086.26, 16,542.17 and 10,710.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,086.26 : 16,542.17 = 10,710.42 : x
2. Step 2: Convert to fraction form
   11,086.26/16,542.17 = 10,710.42/x
3. Step 3: Cross multiply
   11,086.26x = 16,542.17 × 10,710.42
4. Step 4: Simplify right side
   11,086.26x = 177,173,588.41
5. Step 5: Solve for x
   x = 177,173,588.41/11,086.26
6. Step 6: Final answer
   x = 15,981.37