Finding the Fourth Proportional to 17,722.15, 24,456.63 and 9,764.20

Step by Step Solution

1. Step 1: Write the proportion equation
   17,722.15 : 24,456.63 = 9,764.20 : x
2. Step 2: Convert to fraction form
   17,722.15/24,456.63 = 9,764.20/x
3. Step 3: Cross multiply
   17,722.15x = 24,456.63 × 9,764.20
4. Step 4: Simplify right side
   17,722.15x = 238,799,426.65
5. Step 5: Solve for x
   x = 238,799,426.65/17,722.15
6. Step 6: Final answer
   x = 13,474.63