Finding the Fourth Proportional to 2,942.93, 4,413.51 and 1,187.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,942.93 : 4,413.51 = 1,187.37 : x
2. Step 2: Convert to fraction form
   2,942.93/4,413.51 = 1,187.37/x
3. Step 3: Cross multiply
   2,942.93x = 4,413.51 × 1,187.37
4. Step 4: Simplify right side
   2,942.93x = 5,240,469.37
5. Step 5: Solve for x
   x = 5,240,469.37/2,942.93
6. Step 6: Final answer
   x = 1,780.70