Finding the Fourth Proportional to 2,395.80, 3,306.17 and 1,347.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,395.80 : 3,306.17 = 1,347.86 : x
2. Step 2: Convert to fraction form
   2,395.80/3,306.17 = 1,347.86/x
3. Step 3: Cross multiply
   2,395.80x = 3,306.17 × 1,347.86
4. Step 4: Simplify right side
   2,395.80x = 4,456,231.03
5. Step 5: Solve for x
   x = 4,456,231.03/2,395.80
6. Step 6: Final answer
   x = 1,860.02