Finding the Fourth Proportional to 16,199.72, 24,309.82 and 9,287.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,199.72 : 24,309.82 = 9,287.72 : x
2. Step 2: Convert to fraction form
   16,199.72/24,309.82 = 9,287.72/x
3. Step 3: Cross multiply
   16,199.72x = 24,309.82 × 9,287.72
4. Step 4: Simplify right side
   16,199.72x = 225,782,801.41
5. Step 5: Solve for x
   x = 225,782,801.41/16,199.72
6. Step 6: Final answer
   x = 13,937.45