Finding the Fourth Proportional to 3,456.72, 4,773.24 and 2,277.36

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456.72 : 4,773.24 = 2,277.36 : x
2. Step 2: Convert to fraction form
   3,456.72/4,773.24 = 2,277.36/x
3. Step 3: Cross multiply
   3,456.72x = 4,773.24 × 2,277.36
4. Step 4: Simplify right side
   3,456.72x = 10,870,385.85
5. Step 5: Solve for x
   x = 10,870,385.85/3,456.72
6. Step 6: Final answer
   x = 3,144.71