Finding the Fourth Proportional to 3,608.79, 4,979.30 and 2,036.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,608.79 : 4,979.30 = 2,036.31 : x
2. Step 2: Convert to fraction form
   3,608.79/4,979.30 = 2,036.31/x
3. Step 3: Cross multiply
   3,608.79x = 4,979.30 × 2,036.31
4. Step 4: Simplify right side
   3,608.79x = 10,139,398.38
5. Step 5: Solve for x
   x = 10,139,398.38/3,608.79
6. Step 6: Final answer
   x = 2,809.64