Finding the Fourth Proportional to 2,226.27, 3,336.37 and 1,678

Step by Step Solution

1. Step 1: Write the proportion equation
   2,226.27 : 3,336.37 = 1,678 : x
2. Step 2: Convert to fraction form
   2,226.27/3,336.37 = 1,678/x
3. Step 3: Cross multiply
   2,226.27x = 3,336.37 × 1,678
4. Step 4: Simplify right side
   2,226.27x = 5,598,428.86
5. Step 5: Solve for x
   x = 5,598,428.86/2,226.27
6. Step 6: Final answer
   x = 2,514.71