Finding the Fourth Proportional to 17,869.48, 24,659.72 and 9,911.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,869.48 : 24,659.72 = 9,911.72 : x
2. Step 2: Convert to fraction form
   17,869.48/24,659.72 = 9,911.72/x
3. Step 3: Cross multiply
   17,869.48x = 24,659.72 × 9,911.72
4. Step 4: Simplify right side
   17,869.48x = 244,420,239.92
5. Step 5: Solve for x
   x = 244,420,239.92/17,869.48
6. Step 6: Final answer
   x = 13,678.08