Finding the Fourth Proportional to 10,144.25, 13,998.80 and 5,668.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,144.25 : 13,998.80 = 5,668.04 : x
2. Step 2: Convert to fraction form
   10,144.25/13,998.80 = 5,668.04/x
3. Step 3: Cross multiply
   10,144.25x = 13,998.80 × 5,668.04
4. Step 4: Simplify right side
   10,144.25x = 79,345,765.65
5. Step 5: Solve for x
   x = 79,345,765.65/10,144.25
6. Step 6: Final answer
   x = 7,821.75