Finding the Fourth Proportional to 2,228.28, 3,074.88 and 1,233.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,228.28 : 3,074.88 = 1,233.50 : x
2. Step 2: Convert to fraction form
   2,228.28/3,074.88 = 1,233.50/x
3. Step 3: Cross multiply
   2,228.28x = 3,074.88 × 1,233.50
4. Step 4: Simplify right side
   2,228.28x = 3,792,864.48
5. Step 5: Solve for x
   x = 3,792,864.48/2,228.28
6. Step 6: Final answer
   x = 1,702.15