Finding the Fourth Proportional to 3,139.22, 4,727.22 and 2,323.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,139.22 : 4,727.22 = 2,323.28 : x
2. Step 2: Convert to fraction form
   3,139.22/4,727.22 = 2,323.28/x
3. Step 3: Cross multiply
   3,139.22x = 4,727.22 × 2,323.28
4. Step 4: Simplify right side
   3,139.22x = 10,982,632.05
5. Step 5: Solve for x
   x = 10,982,632.05/3,139.22
6. Step 6: Final answer
   x = 3,498.53