Finding the Fourth Proportional to 17,721.93, 24,456.41 and 9,764.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,721.93 : 24,456.41 = 9,764.17 : x
2. Step 2: Convert to fraction form
   17,721.93/24,456.41 = 9,764.17/x
3. Step 3: Cross multiply
   17,721.93x = 24,456.41 × 9,764.17
4. Step 4: Simplify right side
   17,721.93x = 238,796,544.83
5. Step 5: Solve for x
   x = 238,796,544.83/17,721.93
6. Step 6: Final answer
   x = 13,474.64