Finding the Fourth Proportional to 1,413.42, 1,950.33 and 783.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413.42 : 1,950.33 = 783.94 : x
2. Step 2: Convert to fraction form
   1,413.42/1,950.33 = 783.94/x
3. Step 3: Cross multiply
   1,413.42x = 1,950.33 × 783.94
4. Step 4: Simplify right side
   1,413.42x = 1,528,943.42
5. Step 5: Solve for x
   x = 1,528,943.42/1,413.42
6. Step 6: Final answer
   x = 1,081.74