Finding the Fourth Proportional to 17,813.14, 24,581.85 and 9,855.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,813.14 : 24,581.85 = 9,855.18 : x
2. Step 2: Convert to fraction form
   17,813.14/24,581.85 = 9,855.18/x
3. Step 3: Cross multiply
   17,813.14x = 24,581.85 × 9,855.18
4. Step 4: Simplify right side
   17,813.14x = 242,258,556.48
5. Step 5: Solve for x
   x = 242,258,556.48/17,813.14
6. Step 6: Final answer
   x = 13,599.99