Finding the Fourth Proportional to 1,062.62, 1,594.72 and 413.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.62 : 1,594.72 = 413.34 : x
2. Step 2: Convert to fraction form
   1,062.62/1,594.72 = 413.34/x
3. Step 3: Cross multiply
   1,062.62x = 1,594.72 × 413.34
4. Step 4: Simplify right side
   1,062.62x = 659,161.56
5. Step 5: Solve for x
   x = 659,161.56/1,062.62
6. Step 6: Final answer
   x = 620.32