Finding the Fourth Proportional to 16,222.31, 22,386.82 and 8,770.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,222.31 : 22,386.82 = 8,770.31 : x
2. Step 2: Convert to fraction form
   16,222.31/22,386.82 = 8,770.31/x
3. Step 3: Cross multiply
   16,222.31x = 22,386.82 × 8,770.31
4. Step 4: Simplify right side
   16,222.31x = 196,339,418.24
5. Step 5: Solve for x
   x = 196,339,418.24/16,222.31
6. Step 6: Final answer
   x = 12,103.05