Finding the Fourth Proportional to 2,801.22, 3,863.25 and 1,806.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,801.22 : 3,863.25 = 1,806.18 : x
2. Step 2: Convert to fraction form
   2,801.22/3,863.25 = 1,806.18/x
3. Step 3: Cross multiply
   2,801.22x = 3,863.25 × 1,806.18
4. Step 4: Simplify right side
   2,801.22x = 6,977,724.89
5. Step 5: Solve for x
   x = 6,977,724.89/2,801.22
6. Step 6: Final answer
   x = 2,490.96