Finding the Fourth Proportional to 2,980.17, 4,113.33 and 1,930.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.17 : 4,113.33 = 1,930.41 : x
2. Step 2: Convert to fraction form
   2,980.17/4,113.33 = 1,930.41/x
3. Step 3: Cross multiply
   2,980.17x = 4,113.33 × 1,930.41
4. Step 4: Simplify right side
   2,980.17x = 7,940,413.37
5. Step 5: Solve for x
   x = 7,940,413.37/2,980.17
6. Step 6: Final answer
   x = 2,664.42