Finding the Fourth Proportional to 2,092.40, 3,139.05 and 995.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.40 : 3,139.05 = 995.25 : x
2. Step 2: Convert to fraction form
   2,092.40/3,139.05 = 995.25/x
3. Step 3: Cross multiply
   2,092.40x = 3,139.05 × 995.25
4. Step 4: Simplify right side
   2,092.40x = 3,124,155.02
5. Step 5: Solve for x
   x = 3,124,155.02/2,092.40
6. Step 6: Final answer
   x = 1,493.10