Finding the Fourth Proportional to 3,144.25, 4,716.28 and 1,064.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,144.25 : 4,716.28 = 1,064.23 : x
2. Step 2: Convert to fraction form
   3,144.25/4,716.28 = 1,064.23/x
3. Step 3: Cross multiply
   3,144.25x = 4,716.28 × 1,064.23
4. Step 4: Simplify right side
   3,144.25x = 5,019,201.34
5. Step 5: Solve for x
   x = 5,019,201.34/3,144.25
6. Step 6: Final answer
   x = 1,596.31