Finding the Fourth Proportional to 17,721.69, 24,457.03 and 9,763.91

Step by Step Solution

1. Step 1: Write the proportion equation
   17,721.69 : 24,457.03 = 9,763.91 : x
2. Step 2: Convert to fraction form
   17,721.69/24,457.03 = 9,763.91/x
3. Step 3: Cross multiply
   17,721.69x = 24,457.03 × 9,763.91
4. Step 4: Simplify right side
   17,721.69x = 238,796,239.79
5. Step 5: Solve for x
   x = 238,796,239.79/17,721.69
6. Step 6: Final answer
   x = 13,474.80