Finding the Fourth Proportional to 2,017.82, 2,782.01 and 1,308.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.82 : 2,782.01 = 1,308.42 : x
2. Step 2: Convert to fraction form
   2,017.82/2,782.01 = 1,308.42/x
3. Step 3: Cross multiply
   2,017.82x = 2,782.01 × 1,308.42
4. Step 4: Simplify right side
   2,017.82x = 3,640,040.80
5. Step 5: Solve for x
   x = 3,640,040.80/2,017.82
6. Step 6: Final answer
   x = 1,803.94