Finding the Fourth Proportional to 17,855.24, 24,641.72 and 9,900.04

Step by Step Solution

1. Step 1: Write the proportion equation
   17,855.24 : 24,641.72 = 9,900.04 : x
2. Step 2: Convert to fraction form
   17,855.24/24,641.72 = 9,900.04/x
3. Step 3: Cross multiply
   17,855.24x = 24,641.72 × 9,900.04
4. Step 4: Simplify right side
   17,855.24x = 243,954,013.67
5. Step 5: Solve for x
   x = 243,954,013.67/17,855.24
6. Step 6: Final answer
   x = 13,662.88