Finding the Fourth Proportional to 12,668.50, 17,482.53 and 7,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,668.50 : 17,482.53 = 7,079.50 : x
2. Step 2: Convert to fraction form
   12,668.50/17,482.53 = 7,079.50/x
3. Step 3: Cross multiply
   12,668.50x = 17,482.53 × 7,079.50
4. Step 4: Simplify right side
   12,668.50x = 123,767,571.14
5. Step 5: Solve for x
   x = 123,767,571.14/12,668.50
6. Step 6: Final answer
   x = 9,769.71