Finding the Fourth Proportional to 10,143.42, 13,997.96 and 5,667.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,143.42 : 13,997.96 = 5,667.33 : x
2. Step 2: Convert to fraction form
   10,143.42/13,997.96 = 5,667.33/x
3. Step 3: Cross multiply
   10,143.42x = 13,997.96 × 5,667.33
4. Step 4: Simplify right side
   10,143.42x = 79,331,030.31
5. Step 5: Solve for x
   x = 79,331,030.31/10,143.42
6. Step 6: Final answer
   x = 7,820.94