Finding the Fourth Proportional to 1,413.04, 1,949.96 and 783.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413.04 : 1,949.96 = 783.56 : x
2. Step 2: Convert to fraction form
   1,413.04/1,949.96 = 783.56/x
3. Step 3: Cross multiply
   1,413.04x = 1,949.96 × 783.56
4. Step 4: Simplify right side
   1,413.04x = 1,527,917.49
5. Step 5: Solve for x
   x = 1,527,917.49/1,413.04
6. Step 6: Final answer
   x = 1,081.30