Finding the Fourth Proportional to 2,017.22, 2,784.89 and 1,544.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.22 : 2,784.89 = 1,544.21 : x
2. Step 2: Convert to fraction form
   2,017.22/2,784.89 = 1,544.21/x
3. Step 3: Cross multiply
   2,017.22x = 2,784.89 × 1,544.21
4. Step 4: Simplify right side
   2,017.22x = 4,300,447.27
5. Step 5: Solve for x
   x = 4,300,447.27/2,017.22
6. Step 6: Final answer
   x = 2,131.87