Finding the Fourth Proportional to 2,229.75, 3,074.58 and 1,836.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.75 : 3,074.58 = 1,836.09 : x
2. Step 2: Convert to fraction form
   2,229.75/3,074.58 = 1,836.09/x
3. Step 3: Cross multiply
   2,229.75x = 3,074.58 × 1,836.09
4. Step 4: Simplify right side
   2,229.75x = 5,645,205.59
5. Step 5: Solve for x
   x = 5,645,205.59/2,229.75
6. Step 6: Final answer
   x = 2,531.77