Finding the Fourth Proportional to 16,086.41, 22,199.23 and 9,012.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,086.41 : 22,199.23 = 9,012.88 : x
2. Step 2: Convert to fraction form
   16,086.41/22,199.23 = 9,012.88/x
3. Step 3: Cross multiply
   16,086.41x = 22,199.23 × 9,012.88
4. Step 4: Simplify right side
   16,086.41x = 200,078,996.08
5. Step 5: Solve for x
   x = 200,078,996.08/16,086.41
6. Step 6: Final answer
   x = 12,437.77