Finding the Fourth Proportional to 3,611.42, 4,983.90 and 2,018.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,611.42 : 4,983.90 = 2,018.05 : x
2. Step 2: Convert to fraction form
   3,611.42/4,983.90 = 2,018.05/x
3. Step 3: Cross multiply
   3,611.42x = 4,983.90 × 2,018.05
4. Step 4: Simplify right side
   3,611.42x = 10,057,739.37
5. Step 5: Solve for x
   x = 10,057,739.37/3,611.42
6. Step 6: Final answer
   x = 2,784.98