Finding the Fourth Proportional to 1,413.30, 2,119.55 and 488.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413.30 : 2,119.55 = 488.82 : x
2. Step 2: Convert to fraction form
   1,413.30/2,119.55 = 488.82/x
3. Step 3: Cross multiply
   1,413.30x = 2,119.55 × 488.82
4. Step 4: Simplify right side
   1,413.30x = 1,036,075.99
5. Step 5: Solve for x
   x = 1,036,075.99/1,413.30
6. Step 6: Final answer
   x = 733.09