Finding the Fourth Proportional to 17,869.24, 24,657.79 and 9,911.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,869.24 : 24,657.79 = 9,911.31 : x
2. Step 2: Convert to fraction form
   17,869.24/24,657.79 = 9,911.31/x
3. Step 3: Cross multiply
   17,869.24x = 24,657.79 × 9,911.31
4. Step 4: Simplify right side
   17,869.24x = 244,391,000.60
5. Step 5: Solve for x
   x = 244,391,000.60/17,869.24
6. Step 6: Final answer
   x = 13,676.63