Finding the Fourth Proportional to 3,608.42, 4,978.94 and 2,036.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,608.42 : 4,978.94 = 2,036.22 : x
2. Step 2: Convert to fraction form
   3,608.42/4,978.94 = 2,036.22/x
3. Step 3: Cross multiply
   3,608.42x = 4,978.94 × 2,036.22
4. Step 4: Simplify right side
   3,608.42x = 10,138,217.21
5. Step 5: Solve for x
   x = 10,138,217.21/3,608.42
6. Step 6: Final answer
   x = 2,809.60