Finding the Fourth Proportional to 1,413.27, 1,950.71 and 993.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413.27 : 1,950.71 = 993.72 : x
2. Step 2: Convert to fraction form
   1,413.27/1,950.71 = 993.72/x
3. Step 3: Cross multiply
   1,413.27x = 1,950.71 × 993.72
4. Step 4: Simplify right side
   1,413.27x = 1,938,459.54
5. Step 5: Solve for x
   x = 1,938,459.54/1,413.27
6. Step 6: Final answer
   x = 1,371.61