Finding the Fourth Proportional to 2,556.79, 3,832.60 and 995.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.79 : 3,832.60 = 995.82 : x
2. Step 2: Convert to fraction form
   2,556.79/3,832.60 = 995.82/x
3. Step 3: Cross multiply
   2,556.79x = 3,832.60 × 995.82
4. Step 4: Simplify right side
   2,556.79x = 3,816,579.73
5. Step 5: Solve for x
   x = 3,816,579.73/2,556.79
6. Step 6: Final answer
   x = 1,492.72