Finding the Fourth Proportional to 16,031.69, 22,123.78 and 8,958.23

Step by Step Solution

1. Step 1: Write the proportion equation
   16,031.69 : 22,123.78 = 8,958.23 : x
2. Step 2: Convert to fraction form
   16,031.69/22,123.78 = 8,958.23/x
3. Step 3: Cross multiply
   16,031.69x = 22,123.78 × 8,958.23
4. Step 4: Simplify right side
   16,031.69x = 198,189,799.09
5. Step 5: Solve for x
   x = 198,189,799.09/16,031.69
6. Step 6: Final answer
   x = 12,362.38