Finding the Fourth Proportional to 2,271.23, 3,404.91 and 885.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.23 : 3,404.91 = 885.53 : x
2. Step 2: Convert to fraction form
   2,271.23/3,404.91 = 885.53/x
3. Step 3: Cross multiply
   2,271.23x = 3,404.91 × 885.53
4. Step 4: Simplify right side
   2,271.23x = 3,015,132.93
5. Step 5: Solve for x
   x = 3,015,132.93/2,271.23
6. Step 6: Final answer
   x = 1,327.54