Finding the Fourth Proportional to 2,013.66, 3,020.72 and 1,806.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.66 : 3,020.72 = 1,806.95 : x
2. Step 2: Convert to fraction form
   2,013.66/3,020.72 = 1,806.95/x
3. Step 3: Cross multiply
   2,013.66x = 3,020.72 × 1,806.95
4. Step 4: Simplify right side
   2,013.66x = 5,458,288.52
5. Step 5: Solve for x
   x = 5,458,288.52/2,013.66
6. Step 6: Final answer
   x = 2,710.63