Finding the Fourth Proportional to 2,936.28, 4,403.38 and 2,112.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,936.28 : 4,403.38 = 2,112.08 : x
2. Step 2: Convert to fraction form
   2,936.28/4,403.38 = 2,112.08/x
3. Step 3: Cross multiply
   2,936.28x = 4,403.38 × 2,112.08
4. Step 4: Simplify right side
   2,936.28x = 9,300,290.83
5. Step 5: Solve for x
   x = 9,300,290.83/2,936.28
6. Step 6: Final answer
   x = 3,167.37