Finding the Fourth Proportional to 1,413.33, 1,950.38 and 783.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413.33 : 1,950.38 = 783.96 : x
2. Step 2: Convert to fraction form
   1,413.33/1,950.38 = 783.96/x
3. Step 3: Cross multiply
   1,413.33x = 1,950.38 × 783.96
4. Step 4: Simplify right side
   1,413.33x = 1,529,019.90
5. Step 5: Solve for x
   x = 1,529,019.90/1,413.33
6. Step 6: Final answer
   x = 1,081.86