Finding the Fourth Proportional to 2,949, 4,424.72 and 1,218.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,949 : 4,424.72 = 1,218.84 : x
2. Step 2: Convert to fraction form
   2,949/4,424.72 = 1,218.84/x
3. Step 3: Cross multiply
   2,949x = 4,424.72 × 1,218.84
4. Step 4: Simplify right side
   2,949x = 5,393,025.72
5. Step 5: Solve for x
   x = 5,393,025.72/2,949
6. Step 6: Final answer
   x = 1,828.76