Finding the Fourth Proportional to 2,272.01, 3,407.18 and 885.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272.01 : 3,407.18 = 885.20 : x
2. Step 2: Convert to fraction form
   2,272.01/3,407.18 = 885.20/x
3. Step 3: Cross multiply
   2,272.01x = 3,407.18 × 885.20
4. Step 4: Simplify right side
   2,272.01x = 3,016,014.27
5. Step 5: Solve for x
   x = 3,016,014.27/2,272.01
6. Step 6: Final answer
   x = 1,327.47