Finding the Fourth Proportional to 17,586.72, 24,269.40 and 9,628.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,586.72 : 24,269.40 = 9,628.80 : x
2. Step 2: Convert to fraction form
   17,586.72/24,269.40 = 9,628.80/x
3. Step 3: Cross multiply
   17,586.72x = 24,269.40 × 9,628.80
4. Step 4: Simplify right side
   17,586.72x = 233,685,198.72
5. Step 5: Solve for x
   x = 233,685,198.72/17,586.72
6. Step 6: Final answer
   x = 13,287.59