Finding the Fourth Proportional to 3,217.12, 4,826.42 and 995.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,217.12 : 4,826.42 = 995.86 : x
2. Step 2: Convert to fraction form
   3,217.12/4,826.42 = 995.86/x
3. Step 3: Cross multiply
   3,217.12x = 4,826.42 × 995.86
4. Step 4: Simplify right side
   3,217.12x = 4,806,443.41
5. Step 5: Solve for x
   x = 4,806,443.41/3,217.12
6. Step 6: Final answer
   x = 1,494.02