Finding the Fourth Proportional to 17,718.72, 24,451.72 and 9,760.76

Step by Step Solution

1. Step 1: Write the proportion equation
   17,718.72 : 24,451.72 = 9,760.76 : x
2. Step 2: Convert to fraction form
   17,718.72/24,451.72 = 9,760.76/x
3. Step 3: Cross multiply
   17,718.72x = 24,451.72 × 9,760.76
4. Step 4: Simplify right side
   17,718.72x = 238,667,370.51
5. Step 5: Solve for x
   x = 238,667,370.51/17,718.72
6. Step 6: Final answer
   x = 13,469.79