Finding the Fourth Proportional to 17,623.88, 24,333.31 and 12,309.47

Step by Step Solution

1. Step 1: Write the proportion equation
   17,623.88 : 24,333.31 = 12,309.47 : x
2. Step 2: Convert to fraction form
   17,623.88/24,333.31 = 12,309.47/x
3. Step 3: Cross multiply
   17,623.88x = 24,333.31 × 12,309.47
4. Step 4: Simplify right side
   17,623.88x = 299,530,134.42
5. Step 5: Solve for x
   x = 299,530,134.42/17,623.88
6. Step 6: Final answer
   x = 16,995.70