Finding the Fourth Proportional to 17,786.39, 24,545.43 and 9,828.74

Step by Step Solution

1. Step 1: Write the proportion equation
   17,786.39 : 24,545.43 = 9,828.74 : x
2. Step 2: Convert to fraction form
   17,786.39/24,545.43 = 9,828.74/x
3. Step 3: Cross multiply
   17,786.39x = 24,545.43 × 9,828.74
4. Step 4: Simplify right side
   17,786.39x = 241,250,711.02
5. Step 5: Solve for x
   x = 241,250,711.02/17,786.39
6. Step 6: Final answer
   x = 13,563.79