Finding the Fourth Proportional to 17,721.27, 24,456.06 and 9,764.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,721.27 : 24,456.06 = 9,764.10 : x
2. Step 2: Convert to fraction form
   17,721.27/24,456.06 = 9,764.10/x
3. Step 3: Cross multiply
   17,721.27x = 24,456.06 × 9,764.10
4. Step 4: Simplify right side
   17,721.27x = 238,791,415.45
5. Step 5: Solve for x
   x = 238,791,415.45/17,721.27
6. Step 6: Final answer
   x = 13,474.85