Finding the Fourth Proportional to 17,698.27, 24,420.82 and 10,143.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,698.27 : 24,420.82 = 10,143.15 : x
2. Step 2: Convert to fraction form
   17,698.27/24,420.82 = 10,143.15/x
3. Step 3: Cross multiply
   17,698.27x = 24,420.82 × 10,143.15
4. Step 4: Simplify right side
   17,698.27x = 247,703,953.97
5. Step 5: Solve for x
   x = 247,703,953.97/17,698.27
6. Step 6: Final answer
   x = 13,995.94