Finding the Fourth Proportional to 2,230.35, 3,077.67 and 1,235.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,230.35 : 3,077.67 = 1,235.61 : x
2. Step 2: Convert to fraction form
   2,230.35/3,077.67 = 1,235.61/x
3. Step 3: Cross multiply
   2,230.35x = 3,077.67 × 1,235.61
4. Step 4: Simplify right side
   2,230.35x = 3,802,799.83
5. Step 5: Solve for x
   x = 3,802,799.83/2,230.35
6. Step 6: Final answer
   x = 1,705.02