Finding the Fourth Proportional to 2,272.01, 3,408.89 and 886.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272.01 : 3,408.89 = 886.33 : x
2. Step 2: Convert to fraction form
   2,272.01/3,408.89 = 886.33/x
3. Step 3: Cross multiply
   2,272.01x = 3,408.89 × 886.33
4. Step 4: Simplify right side
   2,272.01x = 3,021,401.47
5. Step 5: Solve for x
   x = 3,021,401.47/2,272.01
6. Step 6: Final answer
   x = 1,329.84