Finding the Fourth Proportional to 3,413.34, 5,120.82 and 1,953.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,413.34 : 5,120.82 = 1,953.45 : x
2. Step 2: Convert to fraction form
   3,413.34/5,120.82 = 1,953.45/x
3. Step 3: Cross multiply
   3,413.34x = 5,120.82 × 1,953.45
4. Step 4: Simplify right side
   3,413.34x = 10,003,265.83
5. Step 5: Solve for x
   x = 10,003,265.83/3,413.34
6. Step 6: Final answer
   x = 2,930.64