Finding the Fourth Proportional to 17,693.79, 24,391.76 and 12,372.09

Step by Step Solution

1. Step 1: Write the proportion equation
   17,693.79 : 24,391.76 = 12,372.09 : x
2. Step 2: Convert to fraction form
   17,693.79/24,391.76 = 12,372.09/x
3. Step 3: Cross multiply
   17,693.79x = 24,391.76 × 12,372.09
4. Step 4: Simplify right side
   17,693.79x = 301,777,049.98
5. Step 5: Solve for x
   x = 301,777,049.98/17,693.79
6. Step 6: Final answer
   x = 17,055.53