Finding the Fourth Proportional to 10,143.55, 13,996.83 and 5,667.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,143.55 : 13,996.83 = 5,667.13 : x
2. Step 2: Convert to fraction form
   10,143.55/13,996.83 = 5,667.13/x
3. Step 3: Cross multiply
   10,143.55x = 13,996.83 × 5,667.13
4. Step 4: Simplify right side
   10,143.55x = 79,321,855.20
5. Step 5: Solve for x
   x = 79,321,855.20/10,143.55
6. Step 6: Final answer
   x = 7,819.93