Finding the Fourth Proportional to 2,028.84, 3,040.56 and 987.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.84 : 3,040.56 = 987.56 : x
2. Step 2: Convert to fraction form
   2,028.84/3,040.56 = 987.56/x
3. Step 3: Cross multiply
   2,028.84x = 3,040.56 × 987.56
4. Step 4: Simplify right side
   2,028.84x = 3,002,735.43
5. Step 5: Solve for x
   x = 3,002,735.43/2,028.84
6. Step 6: Final answer
   x = 1,480.03