Finding the Fourth Proportional to 2,017.06, 2,782.83 and 1,318.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.06 : 2,782.83 = 1,318.84 : x
2. Step 2: Convert to fraction form
   2,017.06/2,782.83 = 1,318.84/x
3. Step 3: Cross multiply
   2,017.06x = 2,782.83 × 1,318.84
4. Step 4: Simplify right side
   2,017.06x = 3,670,107.52
5. Step 5: Solve for x
   x = 3,670,107.52/2,017.06
6. Step 6: Final answer
   x = 1,819.53