Finding the Fourth Proportional to 2,017.89, 3,012.05 and 1,784.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.89 : 3,012.05 = 1,784.61 : x
2. Step 2: Convert to fraction form
   2,017.89/3,012.05 = 1,784.61/x
3. Step 3: Cross multiply
   2,017.89x = 3,012.05 × 1,784.61
4. Step 4: Simplify right side
   2,017.89x = 5,375,339.01
5. Step 5: Solve for x
   x = 5,375,339.01/2,017.89
6. Step 6: Final answer
   x = 2,663.84