Finding the Fourth Proportional to 3,951.82, 5,453.29 and 2,272.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,951.82 : 5,453.29 = 2,272.05 : x
2. Step 2: Convert to fraction form
   3,951.82/5,453.29 = 2,272.05/x
3. Step 3: Cross multiply
   3,951.82x = 5,453.29 × 2,272.05
4. Step 4: Simplify right side
   3,951.82x = 12,390,150.38
5. Step 5: Solve for x
   x = 12,390,150.38/3,951.82
6. Step 6: Final answer
   x = 3,135.30