Finding the Fourth Proportional to 2,556.69, 3,834.17 and 996.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.69 : 3,834.17 = 996.57 : x
2. Step 2: Convert to fraction form
   2,556.69/3,834.17 = 996.57/x
3. Step 3: Cross multiply
   2,556.69x = 3,834.17 × 996.57
4. Step 4: Simplify right side
   2,556.69x = 3,821,013.81
5. Step 5: Solve for x
   x = 3,821,013.81/2,556.69
6. Step 6: Final answer
   x = 1,494.52