Finding the Fourth Proportional to 17,677.98, 24,395.72 and 9,720.27

Step by Step Solution

1. Step 1: Write the proportion equation
   17,677.98 : 24,395.72 = 9,720.27 : x
2. Step 2: Convert to fraction form
   17,677.98/24,395.72 = 9,720.27/x
3. Step 3: Cross multiply
   17,677.98x = 24,395.72 × 9,720.27
4. Step 4: Simplify right side
   17,677.98x = 237,132,985.24
5. Step 5: Solve for x
   x = 237,132,985.24/17,677.98
6. Step 6: Final answer
   x = 13,414.03