Finding the Fourth Proportional to 3,608.01, 4,978.80 and 2,036.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,608.01 : 4,978.80 = 2,036.07 : x
2. Step 2: Convert to fraction form
   3,608.01/4,978.80 = 2,036.07/x
3. Step 3: Cross multiply
   3,608.01x = 4,978.80 × 2,036.07
4. Step 4: Simplify right side
   3,608.01x = 10,137,185.32
5. Step 5: Solve for x
   x = 10,137,185.32/3,608.01
6. Step 6: Final answer
   x = 2,809.63