Finding the Fourth Proportional to 2,228.30, 3,338.78 and 1,404.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,228.30 : 3,338.78 = 1,404.54 : x
2. Step 2: Convert to fraction form
   2,228.30/3,338.78 = 1,404.54/x
3. Step 3: Cross multiply
   2,228.30x = 3,338.78 × 1,404.54
4. Step 4: Simplify right side
   2,228.30x = 4,689,450.06
5. Step 5: Solve for x
   x = 4,689,450.06/2,228.30
6. Step 6: Final answer
   x = 2,104.50