Finding the Fourth Proportional to 17,864.40, 24,653.04 and 9,906.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,864.40 : 24,653.04 = 9,906.72 : x
2. Step 2: Convert to fraction form
   17,864.40/24,653.04 = 9,906.72/x
3. Step 3: Cross multiply
   17,864.40x = 24,653.04 × 9,906.72
4. Step 4: Simplify right side
   17,864.40x = 244,230,764.43
5. Step 5: Solve for x
   x = 244,230,764.43/17,864.40
6. Step 6: Final answer
   x = 13,671.37