Finding the Fourth Proportional to 2,002.92, 2,763.09 and 1,216.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.92 : 2,763.09 = 1,216.41 : x
2. Step 2: Convert to fraction form
   2,002.92/2,763.09 = 1,216.41/x
3. Step 3: Cross multiply
   2,002.92x = 2,763.09 × 1,216.41
4. Step 4: Simplify right side
   2,002.92x = 3,361,050.31
5. Step 5: Solve for x
   x = 3,361,050.31/2,002.92
6. Step 6: Final answer
   x = 1,678.08