Finding the Fourth Proportional to 3,363.54, 5,047.89 and 1,721.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,363.54 : 5,047.89 = 1,721.49 : x
2. Step 2: Convert to fraction form
   3,363.54/5,047.89 = 1,721.49/x
3. Step 3: Cross multiply
   3,363.54x = 5,047.89 × 1,721.49
4. Step 4: Simplify right side
   3,363.54x = 8,689,892.16
5. Step 5: Solve for x
   x = 8,689,892.16/3,363.54
6. Step 6: Final answer
   x = 2,583.56