Finding the Fourth Proportional to 2,383.58, 3,572.79 and 995.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,383.58 : 3,572.79 = 995.87 : x
2. Step 2: Convert to fraction form
   2,383.58/3,572.79 = 995.87/x
3. Step 3: Cross multiply
   2,383.58x = 3,572.79 × 995.87
4. Step 4: Simplify right side
   2,383.58x = 3,558,016.51
5. Step 5: Solve for x
   x = 3,558,016.51/2,383.58
6. Step 6: Final answer
   x = 1,492.72