Finding the Fourth Proportional to 2,395.19, 3,591.42 and 1,223.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,395.19 : 3,591.42 = 1,223.83 : x
2. Step 2: Convert to fraction form
   2,395.19/3,591.42 = 1,223.83/x
3. Step 3: Cross multiply
   2,395.19x = 3,591.42 × 1,223.83
4. Step 4: Simplify right side
   2,395.19x = 4,395,287.54
5. Step 5: Solve for x
   x = 4,395,287.54/2,395.19
6. Step 6: Final answer
   x = 1,835.05