Finding the Fourth Proportional to 3,144.80, 4,716.69 and 1,064.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,144.80 : 4,716.69 = 1,064.76 : x
2. Step 2: Convert to fraction form
   3,144.80/4,716.69 = 1,064.76/x
3. Step 3: Cross multiply
   3,144.80x = 4,716.69 × 1,064.76
4. Step 4: Simplify right side
   3,144.80x = 5,022,142.84
5. Step 5: Solve for x
   x = 5,022,142.84/3,144.80
6. Step 6: Final answer
   x = 1,596.97