Finding the Fourth Proportional to 9,786.65, 14,668.59 and 4,859.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,786.65 : 14,668.59 = 4,859.42 : x
2. Step 2: Convert to fraction form
   9,786.65/14,668.59 = 4,859.42/x
3. Step 3: Cross multiply
   9,786.65x = 14,668.59 × 4,859.42
4. Step 4: Simplify right side
   9,786.65x = 71,280,839.62
5. Step 5: Solve for x
   x = 71,280,839.62/9,786.65
6. Step 6: Final answer
   x = 7,283.48