Finding the Fourth Proportional to 2,272.92, 3,406.89 and 885.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272.92 : 3,406.89 = 885.84 : x
2. Step 2: Convert to fraction form
   2,272.92/3,406.89 = 885.84/x
3. Step 3: Cross multiply
   2,272.92x = 3,406.89 × 885.84
4. Step 4: Simplify right side
   2,272.92x = 3,017,959.44
5. Step 5: Solve for x
   x = 3,017,959.44/2,272.92
6. Step 6: Final answer
   x = 1,327.79