Finding the Fourth Proportional to 2,413.61, 3,618.34 and 933.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,413.61 : 3,618.34 = 933.87 : x
2. Step 2: Convert to fraction form
   2,413.61/3,618.34 = 933.87/x
3. Step 3: Cross multiply
   2,413.61x = 3,618.34 × 933.87
4. Step 4: Simplify right side
   2,413.61x = 3,379,060.23
5. Step 5: Solve for x
   x = 3,379,060.23/2,413.61
6. Step 6: Final answer
   x = 1,400.00