Finding the Fourth Proportional to 2,017.57, 2,784.29 and 1,133.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.57 : 2,784.29 = 1,133.35 : x
2. Step 2: Convert to fraction form
   2,017.57/2,784.29 = 1,133.35/x
3. Step 3: Cross multiply
   2,017.57x = 2,784.29 × 1,133.35
4. Step 4: Simplify right side
   2,017.57x = 3,155,570.94
5. Step 5: Solve for x
   x = 3,155,570.94/2,017.57
6. Step 6: Final answer
   x = 1,564.05