Finding the Fourth Proportional to 17,871.53, 24,662.31 and 9,913.68

Step by Step Solution

1. Step 1: Write the proportion equation
   17,871.53 : 24,662.31 = 9,913.68 : x
2. Step 2: Convert to fraction form
   17,871.53/24,662.31 = 9,913.68/x
3. Step 3: Cross multiply
   17,871.53x = 24,662.31 × 9,913.68
4. Step 4: Simplify right side
   17,871.53x = 244,494,249.40
5. Step 5: Solve for x
   x = 244,494,249.40/17,871.53
6. Step 6: Final answer
   x = 13,680.66