Finding the Fourth Proportional to 17,728.98, 24,466.52 and 9,771.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,728.98 : 24,466.52 = 9,771.72 : x
2. Step 2: Convert to fraction form
   17,728.98/24,466.52 = 9,771.72/x
3. Step 3: Cross multiply
   17,728.98x = 24,466.52 × 9,771.72
4. Step 4: Simplify right side
   17,728.98x = 239,079,982.81
5. Step 5: Solve for x
   x = 239,079,982.81/17,728.98
6. Step 6: Final answer
   x = 13,485.26