Finding the Fourth Proportional to 11,211.82, 16,791.81 and 10,823.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,211.82 : 16,791.81 = 10,823.02 : x
2. Step 2: Convert to fraction form
   11,211.82/16,791.81 = 10,823.02/x
3. Step 3: Cross multiply
   11,211.82x = 16,791.81 × 10,823.02
4. Step 4: Simplify right side
   11,211.82x = 181,738,164.50
5. Step 5: Solve for x
   x = 181,738,164.50/11,211.82
6. Step 6: Final answer
   x = 16,209.51