Finding the Fourth Proportional to 2,228.30, 3,074.96 and 1,233.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,228.30 : 3,074.96 = 1,233.56 : x
2. Step 2: Convert to fraction form
   2,228.30/3,074.96 = 1,233.56/x
3. Step 3: Cross multiply
   2,228.30x = 3,074.96 × 1,233.56
4. Step 4: Simplify right side
   2,228.30x = 3,793,147.66
5. Step 5: Solve for x
   x = 3,793,147.66/2,228.30
6. Step 6: Final answer
   x = 1,702.26