Finding the Fourth Proportional to 3,796.81, 5,238.21 and 2,380.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,796.81 : 5,238.21 = 2,380.55 : x
2. Step 2: Convert to fraction form
   3,796.81/5,238.21 = 2,380.55/x
3. Step 3: Cross multiply
   3,796.81x = 5,238.21 × 2,380.55
4. Step 4: Simplify right side
   3,796.81x = 12,469,833.91
5. Step 5: Solve for x
   x = 12,469,833.91/3,796.81
6. Step 6: Final answer
   x = 3,284.29