Finding the Fourth Proportional to 3,949.47, 5,451.03 and 2,272.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,949.47 : 5,451.03 = 2,272.01 : x
2. Step 2: Convert to fraction form
   3,949.47/5,451.03 = 2,272.01/x
3. Step 3: Cross multiply
   3,949.47x = 5,451.03 × 2,272.01
4. Step 4: Simplify right side
   3,949.47x = 12,384,767.42
5. Step 5: Solve for x
   x = 12,384,767.42/3,949.47
6. Step 6: Final answer
   x = 3,135.80