Finding the Fourth Proportional to 16,443.52, 22,692.08 and 8,991.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,443.52 : 22,692.08 = 8,991.52 : x
2. Step 2: Convert to fraction form
   16,443.52/22,692.08 = 8,991.52/x
3. Step 3: Cross multiply
   16,443.52x = 22,692.08 × 8,991.52
4. Step 4: Simplify right side
   16,443.52x = 204,036,291.16
5. Step 5: Solve for x
   x = 204,036,291.16/16,443.52
6. Step 6: Final answer
   x = 12,408.31