Finding the Fourth Proportional to 2,949.14, 4,420.89 and 1,098.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,949.14 : 4,420.89 = 1,098.98 : x
2. Step 2: Convert to fraction form
   2,949.14/4,420.89 = 1,098.98/x
3. Step 3: Cross multiply
   2,949.14x = 4,420.89 × 1,098.98
4. Step 4: Simplify right side
   2,949.14x = 4,858,469.69
5. Step 5: Solve for x
   x = 4,858,469.69/2,949.14
6. Step 6: Final answer
   x = 1,647.42