Finding the Fourth Proportional to 2,411.33, 3,616.59 and 679.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.33 : 3,616.59 = 679.55 : x
2. Step 2: Convert to fraction form
   2,411.33/3,616.59 = 679.55/x
3. Step 3: Cross multiply
   2,411.33x = 3,616.59 × 679.55
4. Step 4: Simplify right side
   2,411.33x = 2,457,650.34
5. Step 5: Solve for x
   x = 2,457,650.34/2,411.33
6. Step 6: Final answer
   x = 1,019.21