Finding the Fourth Proportional to 2,823.82, 3,896.87 and 1,581.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,823.82 : 3,896.87 = 1,581.82 : x
2. Step 2: Convert to fraction form
   2,823.82/3,896.87 = 1,581.82/x
3. Step 3: Cross multiply
   2,823.82x = 3,896.87 × 1,581.82
4. Step 4: Simplify right side
   2,823.82x = 6,164,146.90
5. Step 5: Solve for x
   x = 6,164,146.90/2,823.82
6. Step 6: Final answer
   x = 2,182.91