Finding the Fourth Proportional to 3,347.20, 5,022.72 and 2,614.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,347.20 : 5,022.72 = 2,614.72 : x
2. Step 2: Convert to fraction form
   3,347.20/5,022.72 = 2,614.72/x
3. Step 3: Cross multiply
   3,347.20x = 5,022.72 × 2,614.72
4. Step 4: Simplify right side
   3,347.20x = 13,133,006.44
5. Step 5: Solve for x
   x = 13,133,006.44/3,347.20
6. Step 6: Final answer
   x = 3,923.58