Finding the Fourth Proportional to 16,049.67, 22,150.02 and 8,978.37

Step by Step Solution

1. Step 1: Write the proportion equation
   16,049.67 : 22,150.02 = 8,978.37 : x
2. Step 2: Convert to fraction form
   16,049.67/22,150.02 = 8,978.37/x
3. Step 3: Cross multiply
   16,049.67x = 22,150.02 × 8,978.37
4. Step 4: Simplify right side
   16,049.67x = 198,871,075.07
5. Step 5: Solve for x
   x = 198,871,075.07/16,049.67
6. Step 6: Final answer
   x = 12,390.98