Finding the Fourth Proportional to 3,995.30, 5,513.61 and 2,226.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,995.30 : 5,513.61 = 2,226.86 : x
2. Step 2: Convert to fraction form
   3,995.30/5,513.61 = 2,226.86/x
3. Step 3: Cross multiply
   3,995.30x = 5,513.61 × 2,226.86
4. Step 4: Simplify right side
   3,995.30x = 12,278,037.56
5. Step 5: Solve for x
   x = 12,278,037.56/3,995.30
6. Step 6: Final answer
   x = 3,073.12