Finding the Fourth Proportional to 10,144.30, 13,997.87 and 5,667.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,144.30 : 13,997.87 = 5,667.88 : x
2. Step 2: Convert to fraction form
   10,144.30/13,997.87 = 5,667.88/x
3. Step 3: Cross multiply
   10,144.30x = 13,997.87 × 5,667.88
4. Step 4: Simplify right side
   10,144.30x = 79,338,219.08
5. Step 5: Solve for x
   x = 79,338,219.08/10,144.30
6. Step 6: Final answer
   x = 7,820.97