Finding the Fourth Proportional to 7,143.50, 10,717.82 and 3,194.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,143.50 : 10,717.82 = 3,194.42 : x
2. Step 2: Convert to fraction form
   7,143.50/10,717.82 = 3,194.42/x
3. Step 3: Cross multiply
   7,143.50x = 10,717.82 × 3,194.42
4. Step 4: Simplify right side
   7,143.50x = 34,237,149.00
5. Step 5: Solve for x
   x = 34,237,149.00/7,143.50
6. Step 6: Final answer
   x = 4,792.77