Finding the Fourth Proportional to 17,677.62, 24,395.04 and 9,720.27

Step by Step Solution

1. Step 1: Write the proportion equation
   17,677.62 : 24,395.04 = 9,720.27 : x
2. Step 2: Convert to fraction form
   17,677.62/24,395.04 = 9,720.27/x
3. Step 3: Cross multiply
   17,677.62x = 24,395.04 × 9,720.27
4. Step 4: Simplify right side
   17,677.62x = 237,126,375.46
5. Step 5: Solve for x
   x = 237,126,375.46/17,677.62
6. Step 6: Final answer
   x = 13,413.93