Finding the Fourth Proportional to 16,100.47, 24,158.45 and 8,309.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,100.47 : 24,158.45 = 8,309.28 : x
2. Step 2: Convert to fraction form
   16,100.47/24,158.45 = 8,309.28/x
3. Step 3: Cross multiply
   16,100.47x = 24,158.45 × 8,309.28
4. Step 4: Simplify right side
   16,100.47x = 200,739,436.78
5. Step 5: Solve for x
   x = 200,739,436.78/16,100.47
6. Step 6: Final answer
   x = 12,467.92