Finding the Fourth Proportional to 2,227.79, 3,342.47 and 995.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.79 : 3,342.47 = 995.09 : x
2. Step 2: Convert to fraction form
   2,227.79/3,342.47 = 995.09/x
3. Step 3: Cross multiply
   2,227.79x = 3,342.47 × 995.09
4. Step 4: Simplify right side
   2,227.79x = 3,326,036.78
5. Step 5: Solve for x
   x = 3,326,036.78/2,227.79
6. Step 6: Final answer
   x = 1,492.98