Finding the Fourth Proportional to 3,395.33, 4,687.31 and 2,345.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,395.33 : 4,687.31 = 2,345.57 : x
2. Step 2: Convert to fraction form
   3,395.33/4,687.31 = 2,345.57/x
3. Step 3: Cross multiply
   3,395.33x = 4,687.31 × 2,345.57
4. Step 4: Simplify right side
   3,395.33x = 10,994,413.72
5. Step 5: Solve for x
   x = 10,994,413.72/3,395.33
6. Step 6: Final answer
   x = 3,238.10