Finding the Fourth Proportional to 2,230.58, 3,078.33 and 1,235.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,230.58 : 3,078.33 = 1,235.83 : x
2. Step 2: Convert to fraction form
   2,230.58/3,078.33 = 1,235.83/x
3. Step 3: Cross multiply
   2,230.58x = 3,078.33 × 1,235.83
4. Step 4: Simplify right side
   2,230.58x = 3,804,292.56
5. Step 5: Solve for x
   x = 3,804,292.56/2,230.58
6. Step 6: Final answer
   x = 1,705.52