Finding the Fourth Proportional to 3,626.31, 5,005.22 and 2,228.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,626.31 : 5,005.22 = 2,228.25 : x
2. Step 2: Convert to fraction form
   3,626.31/5,005.22 = 2,228.25/x
3. Step 3: Cross multiply
   3,626.31x = 5,005.22 × 2,228.25
4. Step 4: Simplify right side
   3,626.31x = 11,152,870.32
5. Step 5: Solve for x
   x = 11,152,870.32/3,626.31
6. Step 6: Final answer
   x = 3,075.54