Finding the Fourth Proportional to 3,608.73, 4,980.06 and 2,116.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,608.73 : 4,980.06 = 2,116.67 : x
2. Step 2: Convert to fraction form
   3,608.73/4,980.06 = 2,116.67/x
3. Step 3: Cross multiply
   3,608.73x = 4,980.06 × 2,116.67
4. Step 4: Simplify right side
   3,608.73x = 10,541,143.60
5. Step 5: Solve for x
   x = 10,541,143.60/3,608.73
6. Step 6: Final answer
   x = 2,921.01