Finding the Fourth Proportional to 10,144.24, 13,998.42 and 5,667.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,144.24 : 13,998.42 = 5,667.87 : x
2. Step 2: Convert to fraction form
   10,144.24/13,998.42 = 5,667.87/x
3. Step 3: Cross multiply
   10,144.24x = 13,998.42 × 5,667.87
4. Step 4: Simplify right side
   10,144.24x = 79,341,277.26
5. Step 5: Solve for x
   x = 79,341,277.26/10,144.24
6. Step 6: Final answer
   x = 7,821.32