Finding the Fourth Proportional to 1,413.84, 1,950.43 and 889.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413.84 : 1,950.43 = 889.50 : x
2. Step 2: Convert to fraction form
   1,413.84/1,950.43 = 889.50/x
3. Step 3: Cross multiply
   1,413.84x = 1,950.43 × 889.50
4. Step 4: Simplify right side
   1,413.84x = 1,734,907.49
5. Step 5: Solve for x
   x = 1,734,907.49/1,413.84
6. Step 6: Final answer
   x = 1,227.09