Finding the Fourth Proportional to 1,413.33, 1,950.35 and 783.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413.33 : 1,950.35 = 783.89 : x
2. Step 2: Convert to fraction form
   1,413.33/1,950.35 = 783.89/x
3. Step 3: Cross multiply
   1,413.33x = 1,950.35 × 783.89
4. Step 4: Simplify right side
   1,413.33x = 1,528,846.19
5. Step 5: Solve for x
   x = 1,528,846.19/1,413.33
6. Step 6: Final answer
   x = 1,081.73