Finding the Fourth Proportional to 3,796.76, 5,239.49 and 2,118.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,796.76 : 5,239.49 = 2,118.15 : x
2. Step 2: Convert to fraction form
   3,796.76/5,239.49 = 2,118.15/x
3. Step 3: Cross multiply
   3,796.76x = 5,239.49 × 2,118.15
4. Step 4: Simplify right side
   3,796.76x = 11,098,015.15
5. Step 5: Solve for x
   x = 11,098,015.15/3,796.76
6. Step 6: Final answer
   x = 2,923.02