Finding the Fourth Proportional to 3,581.50, 4,942.56 and 2,009.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,581.50 : 4,942.56 = 2,009.92 : x
2. Step 2: Convert to fraction form
   3,581.50/4,942.56 = 2,009.92/x
3. Step 3: Cross multiply
   3,581.50x = 4,942.56 × 2,009.92
4. Step 4: Simplify right side
   3,581.50x = 9,934,150.20
5. Step 5: Solve for x
   x = 9,934,150.20/3,581.50
6. Step 6: Final answer
   x = 2,773.74