Finding the Fourth Proportional to 2,556.60, 3,833.88 and 996.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.60 : 3,833.88 = 996.37 : x
2. Step 2: Convert to fraction form
   2,556.60/3,833.88 = 996.37/x
3. Step 3: Cross multiply
   2,556.60x = 3,833.88 × 996.37
4. Step 4: Simplify right side
   2,556.60x = 3,819,949.69
5. Step 5: Solve for x
   x = 3,819,949.69/2,556.60
6. Step 6: Final answer
   x = 1,494.15