Finding the Fourth Proportional to 2,009.82, 3,019.58 and 1,280.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.82 : 3,019.58 = 1,280.82 : x
2. Step 2: Convert to fraction form
   2,009.82/3,019.58 = 1,280.82/x
3. Step 3: Cross multiply
   2,009.82x = 3,019.58 × 1,280.82
4. Step 4: Simplify right side
   2,009.82x = 3,867,538.46
5. Step 5: Solve for x
   x = 3,867,538.46/2,009.82
6. Step 6: Final answer
   x = 1,924.32