Finding the Fourth Proportional to 17,868.72, 24,661.79 and 9,913.51

Step by Step Solution

1. Step 1: Write the proportion equation
   17,868.72 : 24,661.79 = 9,913.51 : x
2. Step 2: Convert to fraction form
   17,868.72/24,661.79 = 9,913.51/x
3. Step 3: Cross multiply
   17,868.72x = 24,661.79 × 9,913.51
4. Step 4: Simplify right side
   17,868.72x = 244,484,850.86
5. Step 5: Solve for x
   x = 244,484,850.86/17,868.72
6. Step 6: Final answer
   x = 13,682.28