Finding the Fourth Proportional to 10,144.51, 13,998.43 and 5,668.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,144.51 : 13,998.43 = 5,668.17 : x
2. Step 2: Convert to fraction form
   10,144.51/13,998.43 = 5,668.17/x
3. Step 3: Cross multiply
   10,144.51x = 13,998.43 × 5,668.17
4. Step 4: Simplify right side
   10,144.51x = 79,345,419.62
5. Step 5: Solve for x
   x = 79,345,419.62/10,144.51
6. Step 6: Final answer
   x = 7,821.51