Finding the Fourth Proportional to 2,734.42, 4,100.61 and 885.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,734.42 : 4,100.61 = 885.05 : x
2. Step 2: Convert to fraction form
   2,734.42/4,100.61 = 885.05/x
3. Step 3: Cross multiply
   2,734.42x = 4,100.61 × 885.05
4. Step 4: Simplify right side
   2,734.42x = 3,629,244.88
5. Step 5: Solve for x
   x = 3,629,244.88/2,734.42
6. Step 6: Final answer
   x = 1,327.24