Finding the Fourth Proportional to 10,143.93, 13,997.22 and 5,667.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,143.93 : 13,997.22 = 5,667.12 : x
2. Step 2: Convert to fraction form
   10,143.93/13,997.22 = 5,667.12/x
3. Step 3: Cross multiply
   10,143.93x = 13,997.22 × 5,667.12
4. Step 4: Simplify right side
   10,143.93x = 79,323,925.41
5. Step 5: Solve for x
   x = 79,323,925.41/10,143.93
6. Step 6: Final answer
   x = 7,819.84