Finding the Fourth Proportional to 11,081.13, 16,504.98 and 10,850.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,081.13 : 16,504.98 = 10,850.42 : x
2. Step 2: Convert to fraction form
   11,081.13/16,504.98 = 10,850.42/x
3. Step 3: Cross multiply
   11,081.13x = 16,504.98 × 10,850.42
4. Step 4: Simplify right side
   11,081.13x = 179,085,965.09
5. Step 5: Solve for x
   x = 179,085,965.09/11,081.13
6. Step 6: Final answer
   x = 16,161.35