Finding the Fourth Proportional to 2,846.73, 3,930.91 and 1,786.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,846.73 : 3,930.91 = 1,786.28 : x
2. Step 2: Convert to fraction form
   2,846.73/3,930.91 = 1,786.28/x
3. Step 3: Cross multiply
   2,846.73x = 3,930.91 × 1,786.28
4. Step 4: Simplify right side
   2,846.73x = 7,021,705.91
5. Step 5: Solve for x
   x = 7,021,705.91/2,846.73
6. Step 6: Final answer
   x = 2,466.59