Finding the Fourth Proportional to 4,939.58, 7,410.89 and 2,018.12

Step by Step Solution

1. Step 1: Write the proportion equation
   4,939.58 : 7,410.89 = 2,018.12 : x
2. Step 2: Convert to fraction form
   4,939.58/7,410.89 = 2,018.12/x
3. Step 3: Cross multiply
   4,939.58x = 7,410.89 × 2,018.12
4. Step 4: Simplify right side
   4,939.58x = 14,956,033.32
5. Step 5: Solve for x
   x = 14,956,033.32/4,939.58
6. Step 6: Final answer
   x = 3,027.79