Finding the Fourth Proportional to 3,144.20, 4,714.25 and 1,270.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,144.20 : 4,714.25 = 1,270.22 : x
2. Step 2: Convert to fraction form
   3,144.20/4,714.25 = 1,270.22/x
3. Step 3: Cross multiply
   3,144.20x = 4,714.25 × 1,270.22
4. Step 4: Simplify right side
   3,144.20x = 5,988,104.71
5. Step 5: Solve for x
   x = 5,988,104.71/3,144.20
6. Step 6: Final answer
   x = 1,904.50