Finding the Fourth Proportional to 3,976.43, 5,965.56 and 2,223.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.43 : 5,965.56 = 2,223.19 : x
2. Step 2: Convert to fraction form
   3,976.43/5,965.56 = 2,223.19/x
3. Step 3: Cross multiply
   3,976.43x = 5,965.56 × 2,223.19
4. Step 4: Simplify right side
   3,976.43x = 13,262,558.42
5. Step 5: Solve for x
   x = 13,262,558.42/3,976.43
6. Step 6: Final answer
   x = 3,335.29