Finding the Fourth Proportional to 3,796.27, 5,238.81 and 2,118.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,796.27 : 5,238.81 = 2,118.09 : x
2. Step 2: Convert to fraction form
   3,796.27/5,238.81 = 2,118.09/x
3. Step 3: Cross multiply
   3,796.27x = 5,238.81 × 2,118.09
4. Step 4: Simplify right side
   3,796.27x = 11,096,271.07
5. Step 5: Solve for x
   x = 11,096,271.07/3,796.27
6. Step 6: Final answer
   x = 2,922.94