Finding the Fourth Proportional to 3,626.27, 5,005.15 and 2,228.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,626.27 : 5,005.15 = 2,228.21 : x
2. Step 2: Convert to fraction form
   3,626.27/5,005.15 = 2,228.21/x
3. Step 3: Cross multiply
   3,626.27x = 5,005.15 × 2,228.21
4. Step 4: Simplify right side
   3,626.27x = 11,152,503.04
5. Step 5: Solve for x
   x = 11,152,503.04/3,626.27
6. Step 6: Final answer
   x = 3,075.48