Finding the Fourth Proportional to 4,292.78, 5,929.83 and 3,456.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,292.78 : 5,929.83 = 3,456.72 : x
2. Step 2: Convert to fraction form
   4,292.78/5,929.83 = 3,456.72/x
3. Step 3: Cross multiply
   4,292.78x = 5,929.83 × 3,456.72
4. Step 4: Simplify right side
   4,292.78x = 20,497,761.96
5. Step 5: Solve for x
   x = 20,497,761.96/4,292.78
6. Step 6: Final answer
   x = 4,774.94