Finding the Fourth Proportional to 2,069.77, 2,855.00 and 1,283.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.77 : 2,855.00 = 1,283.82 : x
2. Step 2: Convert to fraction form
   2,069.77/2,855.00 = 1,283.82/x
3. Step 3: Cross multiply
   2,069.77x = 2,855.00 × 1,283.82
4. Step 4: Simplify right side
   2,069.77x = 3,665,291.38
5. Step 5: Solve for x
   x = 3,665,291.38/2,069.77
6. Step 6: Final answer
   x = 1,770.87