Finding the Fourth Proportional to 2,272.74, 3,410.69 and 886.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272.74 : 3,410.69 = 886.09 : x
2. Step 2: Convert to fraction form
   2,272.74/3,410.69 = 886.09/x
3. Step 3: Cross multiply
   2,272.74x = 3,410.69 × 886.09
4. Step 4: Simplify right side
   2,272.74x = 3,022,178.30
5. Step 5: Solve for x
   x = 3,022,178.30/2,272.74
6. Step 6: Final answer
   x = 1,329.75