Finding the Fourth Proportional to 2,395.78, 3,306.09 and 1,347.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,395.78 : 3,306.09 = 1,347.82 : x
2. Step 2: Convert to fraction form
   2,395.78/3,306.09 = 1,347.82/x
3. Step 3: Cross multiply
   2,395.78x = 3,306.09 × 1,347.82
4. Step 4: Simplify right side
   2,395.78x = 4,456,014.22
5. Step 5: Solve for x
   x = 4,456,014.22/2,395.78
6. Step 6: Final answer
   x = 1,859.94