Finding the Fourth Proportional to 2,069.82, 2,855.52 and 1,283.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.82 : 2,855.52 = 1,283.58 : x
2. Step 2: Convert to fraction form
   2,069.82/2,855.52 = 1,283.58/x
3. Step 3: Cross multiply
   2,069.82x = 2,855.52 × 1,283.58
4. Step 4: Simplify right side
   2,069.82x = 3,665,288.36
5. Step 5: Solve for x
   x = 3,665,288.36/2,069.82
6. Step 6: Final answer
   x = 1,770.82