Finding the Fourth Proportional to 3,796.77, 5,239.50 and 2,118.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,796.77 : 5,239.50 = 2,118.59 : x
2. Step 2: Convert to fraction form
   3,796.77/5,239.50 = 2,118.59/x
3. Step 3: Cross multiply
   3,796.77x = 5,239.50 × 2,118.59
4. Step 4: Simplify right side
   3,796.77x = 11,100,352.31
5. Step 5: Solve for x
   x = 11,100,352.31/3,796.77
6. Step 6: Final answer
   x = 2,923.63