Finding the Fourth Proportional to 3,076.56, 4,614.72 and 1,024.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,076.56 : 4,614.72 = 1,024.56 : x
2. Step 2: Convert to fraction form
   3,076.56/4,614.72 = 1,024.56/x
3. Step 3: Cross multiply
   3,076.56x = 4,614.72 × 1,024.56
4. Step 4: Simplify right side
   3,076.56x = 4,728,057.52
5. Step 5: Solve for x
   x = 4,728,057.52/3,076.56
6. Step 6: Final answer
   x = 1,536.80