Finding the Fourth Proportional to 2,008.88, 3,009 and 1,986.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008.88 : 3,009 = 1,986.74 : x
2. Step 2: Convert to fraction form
   2,008.88/3,009 = 1,986.74/x
3. Step 3: Cross multiply
   2,008.88x = 3,009 × 1,986.74
4. Step 4: Simplify right side
   2,008.88x = 5,978,100.66
5. Step 5: Solve for x
   x = 5,978,100.66/2,008.88
6. Step 6: Final answer
   x = 2,975.84