Finding the Fourth Proportional to 11,150.82, 16,722.27 and 8,021.40

Step by Step Solution

1. Step 1: Write the proportion equation
   11,150.82 : 16,722.27 = 8,021.40 : x
2. Step 2: Convert to fraction form
   11,150.82/16,722.27 = 8,021.40/x
3. Step 3: Cross multiply
   11,150.82x = 16,722.27 × 8,021.40
4. Step 4: Simplify right side
   11,150.82x = 134,136,016.58
5. Step 5: Solve for x
   x = 134,136,016.58/11,150.82
6. Step 6: Final answer
   x = 12,029.25