Finding the Fourth Proportional to 2,556.98, 3,834.46 and 996.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.98 : 3,834.46 = 996.77 : x
2. Step 2: Convert to fraction form
   2,556.98/3,834.46 = 996.77/x
3. Step 3: Cross multiply
   2,556.98x = 3,834.46 × 996.77
4. Step 4: Simplify right side
   2,556.98x = 3,822,058.35
5. Step 5: Solve for x
   x = 3,822,058.35/2,556.98
6. Step 6: Final answer
   x = 1,494.76