Finding the Fourth Proportional to 2,007.76, 3,012.92 and 1,083.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.76 : 3,012.92 = 1,083.96 : x
2. Step 2: Convert to fraction form
   2,007.76/3,012.92 = 1,083.96/x
3. Step 3: Cross multiply
   2,007.76x = 3,012.92 × 1,083.96
4. Step 4: Simplify right side
   2,007.76x = 3,265,884.76
5. Step 5: Solve for x
   x = 3,265,884.76/2,007.76
6. Step 6: Final answer
   x = 1,626.63