Finding the Fourth Proportional to 2,017.01, 2,783.61 and 1,271.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.01 : 2,783.61 = 1,271.58 : x
2. Step 2: Convert to fraction form
   2,017.01/2,783.61 = 1,271.58/x
3. Step 3: Cross multiply
   2,017.01x = 2,783.61 × 1,271.58
4. Step 4: Simplify right side
   2,017.01x = 3,539,582.80
5. Step 5: Solve for x
   x = 3,539,582.80/2,017.01
6. Step 6: Final answer
   x = 1,754.87