Finding the Fourth Proportional to 2,418.82, 3,629.85 and 879.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,418.82 : 3,629.85 = 879.82 : x
2. Step 2: Convert to fraction form
   2,418.82/3,629.85 = 879.82/x
3. Step 3: Cross multiply
   2,418.82x = 3,629.85 × 879.82
4. Step 4: Simplify right side
   2,418.82x = 3,193,623.80
5. Step 5: Solve for x
   x = 3,193,623.80/2,418.82
6. Step 6: Final answer
   x = 1,320.32