Finding the Fourth Proportional to 2,007.92, 3,012.56 and 1,083.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.92 : 3,012.56 = 1,083.56 : x
2. Step 2: Convert to fraction form
   2,007.92/3,012.56 = 1,083.56/x
3. Step 3: Cross multiply
   2,007.92x = 3,012.56 × 1,083.56
4. Step 4: Simplify right side
   2,007.92x = 3,264,299.75
5. Step 5: Solve for x
   x = 3,264,299.75/2,007.92
6. Step 6: Final answer
   x = 1,625.71