Finding the Fourth Proportional to 2,920.06, 4,028.83 and 1,801.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,920.06 : 4,028.83 = 1,801.18 : x
2. Step 2: Convert to fraction form
   2,920.06/4,028.83 = 1,801.18/x
3. Step 3: Cross multiply
   2,920.06x = 4,028.83 × 1,801.18
4. Step 4: Simplify right side
   2,920.06x = 7,256,648.02
5. Step 5: Solve for x
   x = 7,256,648.02/2,920.06
6. Step 6: Final answer
   x = 2,485.10