Finding the Fourth Proportional to 2,272.00, 3,406.27 and 886.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272.00 : 3,406.27 = 886.31 : x
2. Step 2: Convert to fraction form
   2,272.00/3,406.27 = 886.31/x
3. Step 3: Cross multiply
   2,272.00x = 3,406.27 × 886.31
4. Step 4: Simplify right side
   2,272.00x = 3,019,020.20
5. Step 5: Solve for x
   x = 3,019,020.20/2,272.00
6. Step 6: Final answer
   x = 1,328.79