Finding the Fourth Proportional to 17,717.37, 24,429.69 and 13,233.57

Step by Step Solution

1. Step 1: Write the proportion equation
   17,717.37 : 24,429.69 = 13,233.57 : x
2. Step 2: Convert to fraction form
   17,717.37/24,429.69 = 13,233.57/x
3. Step 3: Cross multiply
   17,717.37x = 24,429.69 × 13,233.57
4. Step 4: Simplify right side
   17,717.37x = 323,292,012.69
5. Step 5: Solve for x
   x = 323,292,012.69/17,717.37
6. Step 6: Final answer
   x = 18,247.18