Finding the Fourth Proportional to 3,413.83, 5,120.91 and 948.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,413.83 : 5,120.91 = 948.59 : x
2. Step 2: Convert to fraction form
   3,413.83/5,120.91 = 948.59/x
3. Step 3: Cross multiply
   3,413.83x = 5,120.91 × 948.59
4. Step 4: Simplify right side
   3,413.83x = 4,857,644.02
5. Step 5: Solve for x
   x = 4,857,644.02/3,413.83
6. Step 6: Final answer
   x = 1,422.93