Finding the Fourth Proportional to 17,855.09, 24,639.12 and 9,897.24

Step by Step Solution

1. Step 1: Write the proportion equation
   17,855.09 : 24,639.12 = 9,897.24 : x
2. Step 2: Convert to fraction form
   17,855.09/24,639.12 = 9,897.24/x
3. Step 3: Cross multiply
   17,855.09x = 24,639.12 × 9,897.24
4. Step 4: Simplify right side
   17,855.09x = 243,859,284.03
5. Step 5: Solve for x
   x = 243,859,284.03/17,855.09
6. Step 6: Final answer
   x = 13,657.69