Finding the Fourth Proportional to 17,859.72, 24,629.31 and 10,688.41

Step by Step Solution

1. Step 1: Write the proportion equation
   17,859.72 : 24,629.31 = 10,688.41 : x
2. Step 2: Convert to fraction form
   17,859.72/24,629.31 = 10,688.41/x
3. Step 3: Cross multiply
   17,859.72x = 24,629.31 × 10,688.41
4. Step 4: Simplify right side
   17,859.72x = 263,248,163.30
5. Step 5: Solve for x
   x = 263,248,163.30/17,859.72
6. Step 6: Final answer
   x = 14,739.77