Finding the Fourth Proportional to 1,062.82, 1,594.33 and 413.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.82 : 1,594.33 = 413.61 : x
2. Step 2: Convert to fraction form
   1,062.82/1,594.33 = 413.61/x
3. Step 3: Cross multiply
   1,062.82x = 1,594.33 × 413.61
4. Step 4: Simplify right side
   1,062.82x = 659,421.83
5. Step 5: Solve for x
   x = 659,421.83/1,062.82
6. Step 6: Final answer
   x = 620.45