Finding the Fourth Proportional to 3,644.82, 5,463.46 and 1,997.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,644.82 : 5,463.46 = 1,997.89 : x
2. Step 2: Convert to fraction form
   3,644.82/5,463.46 = 1,997.89/x
3. Step 3: Cross multiply
   3,644.82x = 5,463.46 × 1,997.89
4. Step 4: Simplify right side
   3,644.82x = 10,915,392.10
5. Step 5: Solve for x
   x = 10,915,392.10/3,644.82
6. Step 6: Final answer
   x = 2,994.77