Finding the Fourth Proportional to 2,018.33, 2,786.07 and 1,808.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.33 : 2,786.07 = 1,808.15 : x
2. Step 2: Convert to fraction form
   2,018.33/2,786.07 = 1,808.15/x
3. Step 3: Cross multiply
   2,018.33x = 2,786.07 × 1,808.15
4. Step 4: Simplify right side
   2,018.33x = 5,037,632.47
5. Step 5: Solve for x
   x = 5,037,632.47/2,018.33
6. Step 6: Final answer
   x = 2,495.94