Finding the Fourth Proportional to 10,144.68, 13,998.26 and 5,667.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,144.68 : 13,998.26 = 5,667.87 : x
2. Step 2: Convert to fraction form
   10,144.68/13,998.26 = 5,667.87/x
3. Step 3: Cross multiply
   10,144.68x = 13,998.26 × 5,667.87
4. Step 4: Simplify right side
   10,144.68x = 79,340,317.91
5. Step 5: Solve for x
   x = 79,340,317.91/10,144.68
6. Step 6: Final answer
   x = 7,820.88