Finding the Fourth Proportional to 2,228.49, 3,075.33 and 1,233.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,228.49 : 3,075.33 = 1,233.78 : x
2. Step 2: Convert to fraction form
   2,228.49/3,075.33 = 1,233.78/x
3. Step 3: Cross multiply
   2,228.49x = 3,075.33 × 1,233.78
4. Step 4: Simplify right side
   2,228.49x = 3,794,280.65
5. Step 5: Solve for x
   x = 3,794,280.65/2,228.49
6. Step 6: Final answer
   x = 1,702.63