Finding the Fourth Proportional to 2,228.32, 3,074.83 and 1,233.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,228.32 : 3,074.83 = 1,233.57 : x
2. Step 2: Convert to fraction form
   2,228.32/3,074.83 = 1,233.57/x
3. Step 3: Cross multiply
   2,228.32x = 3,074.83 × 1,233.57
4. Step 4: Simplify right side
   2,228.32x = 3,793,018.04
5. Step 5: Solve for x
   x = 3,793,018.04/2,228.32
6. Step 6: Final answer
   x = 1,702.19