Finding the Fourth Proportional to 17,855.48, 24,640.81 and 9,789.89

Step by Step Solution

1. Step 1: Write the proportion equation
   17,855.48 : 24,640.81 = 9,789.89 : x
2. Step 2: Convert to fraction form
   17,855.48/24,640.81 = 9,789.89/x
3. Step 3: Cross multiply
   17,855.48x = 24,640.81 × 9,789.89
4. Step 4: Simplify right side
   17,855.48x = 241,230,819.41
5. Step 5: Solve for x
   x = 241,230,819.41/17,855.48
6. Step 6: Final answer
   x = 13,510.18