Finding the Fourth Proportional to 5,031.50, 6,943.50 and 3,144.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,031.50 : 6,943.50 = 3,144.18 : x
2. Step 2: Convert to fraction form
   5,031.50/6,943.50 = 3,144.18/x
3. Step 3: Cross multiply
   5,031.50x = 6,943.50 × 3,144.18
4. Step 4: Simplify right side
   5,031.50x = 21,831,613.83
5. Step 5: Solve for x
   x = 21,831,613.83/5,031.50
6. Step 6: Final answer
   x = 4,338.98