Finding the Fourth Proportional to 17,721.35, 24,456.83 and 9,764.99

Step by Step Solution

1. Step 1: Write the proportion equation
   17,721.35 : 24,456.83 = 9,764.99 : x
2. Step 2: Convert to fraction form
   17,721.35/24,456.83 = 9,764.99/x
3. Step 3: Cross multiply
   17,721.35x = 24,456.83 × 9,764.99
4. Step 4: Simplify right side
   17,721.35x = 238,820,578.10
5. Step 5: Solve for x
   x = 238,820,578.10/17,721.35
6. Step 6: Final answer
   x = 13,476.44