Finding the Fourth Proportional to 1,996.89, 3,010.28 and 1,863.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.89 : 3,010.28 = 1,863.08 : x
2. Step 2: Convert to fraction form
   1,996.89/3,010.28 = 1,863.08/x
3. Step 3: Cross multiply
   1,996.89x = 3,010.28 × 1,863.08
4. Step 4: Simplify right side
   1,996.89x = 5,608,406.80
5. Step 5: Solve for x
   x = 5,608,406.80/1,996.89
6. Step 6: Final answer
   x = 2,808.58