Finding the Fourth Proportional to 2,069.06, 2,855.59 and 1,283.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.06 : 2,855.59 = 1,283.36 : x
2. Step 2: Convert to fraction form
   2,069.06/2,855.59 = 1,283.36/x
3. Step 3: Cross multiply
   2,069.06x = 2,855.59 × 1,283.36
4. Step 4: Simplify right side
   2,069.06x = 3,664,732.50
5. Step 5: Solve for x
   x = 3,664,732.50/2,069.06
6. Step 6: Final answer
   x = 1,771.21