Finding the Fourth Proportional to 1,413.12, 1,949.96 and 845.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413.12 : 1,949.96 = 845.96 : x
2. Step 2: Convert to fraction form
   1,413.12/1,949.96 = 845.96/x
3. Step 3: Cross multiply
   1,413.12x = 1,949.96 × 845.96
4. Step 4: Simplify right side
   1,413.12x = 1,649,574.18
5. Step 5: Solve for x
   x = 1,649,574.18/1,413.12
6. Step 6: Final answer
   x = 1,167.33