Finding the Fourth Proportional to 7,302.72, 10,949.40 and 3,141.60

Step by Step Solution

1. Step 1: Write the proportion equation
   7,302.72 : 10,949.40 = 3,141.60 : x
2. Step 2: Convert to fraction form
   7,302.72/10,949.40 = 3,141.60/x
3. Step 3: Cross multiply
   7,302.72x = 10,949.40 × 3,141.60
4. Step 4: Simplify right side
   7,302.72x = 34,398,635.04
5. Step 5: Solve for x
   x = 34,398,635.04/7,302.72
6. Step 6: Final answer
   x = 4,710.39