Finding the Fourth Proportional to 7,167.89, 10,743.64 and 3,222.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,167.89 : 10,743.64 = 3,222.18 : x
2. Step 2: Convert to fraction form
   7,167.89/10,743.64 = 3,222.18/x
3. Step 3: Cross multiply
   7,167.89x = 10,743.64 × 3,222.18
4. Step 4: Simplify right side
   7,167.89x = 34,617,933.88
5. Step 5: Solve for x
   x = 34,617,933.88/7,167.89
6. Step 6: Final answer
   x = 4,829.58