Finding the Fourth Proportional to 1,413.76, 1,951.03 and 854.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413.76 : 1,951.03 = 854.33 : x
2. Step 2: Convert to fraction form
   1,413.76/1,951.03 = 854.33/x
3. Step 3: Cross multiply
   1,413.76x = 1,951.03 × 854.33
4. Step 4: Simplify right side
   1,413.76x = 1,666,809.43
5. Step 5: Solve for x
   x = 1,666,809.43/1,413.76
6. Step 6: Final answer
   x = 1,178.99