Finding the Fourth Proportional to 2,017.89, 2,784.77 and 1,133.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.89 : 2,784.77 = 1,133.66 : x
2. Step 2: Convert to fraction form
   2,017.89/2,784.77 = 1,133.66/x
3. Step 3: Cross multiply
   2,017.89x = 2,784.77 × 1,133.66
4. Step 4: Simplify right side
   2,017.89x = 3,156,962.77
5. Step 5: Solve for x
   x = 3,156,962.77/2,017.89
6. Step 6: Final answer
   x = 1,564.49