Finding the Fourth Proportional to 3,946.96, 5,446.78 and 2,245.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,946.96 : 5,446.78 = 2,245.47 : x
2. Step 2: Convert to fraction form
   3,946.96/5,446.78 = 2,245.47/x
3. Step 3: Cross multiply
   3,946.96x = 5,446.78 × 2,245.47
4. Step 4: Simplify right side
   3,946.96x = 12,230,581.09
5. Step 5: Solve for x
   x = 12,230,581.09/3,946.96
6. Step 6: Final answer
   x = 3,098.73