Finding the Fourth Proportional to 16,062.80, 22,167.84 and 8,991.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,062.80 : 22,167.84 = 8,991.52 : x
2. Step 2: Convert to fraction form
   16,062.80/22,167.84 = 8,991.52/x
3. Step 3: Cross multiply
   16,062.80x = 22,167.84 × 8,991.52
4. Step 4: Simplify right side
   16,062.80x = 199,322,576.72
5. Step 5: Solve for x
   x = 199,322,576.72/16,062.80
6. Step 6: Final answer
   x = 12,408.96