Finding the Fourth Proportional to 3,984.89, 5,501.46 and 2,921.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984.89 : 5,501.46 = 2,921.76 : x
2. Step 2: Convert to fraction form
   3,984.89/5,501.46 = 2,921.76/x
3. Step 3: Cross multiply
   3,984.89x = 5,501.46 × 2,921.76
4. Step 4: Simplify right side
   3,984.89x = 16,073,945.77
5. Step 5: Solve for x
   x = 16,073,945.77/3,984.89
6. Step 6: Final answer
   x = 4,033.73