Finding the Fourth Proportional to 2,616.10, 3,924.05 and 884.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.10 : 3,924.05 = 884.72 : x
2. Step 2: Convert to fraction form
   2,616.10/3,924.05 = 884.72/x
3. Step 3: Cross multiply
   2,616.10x = 3,924.05 × 884.72
4. Step 4: Simplify right side
   2,616.10x = 3,471,690.90
5. Step 5: Solve for x
   x = 3,471,690.90/2,616.10
6. Step 6: Final answer
   x = 1,327.05