Finding the Fourth Proportional to 3,076.14, 4,630.83 and 2,808.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,076.14 : 4,630.83 = 2,808.30 : x
2. Step 2: Convert to fraction form
   3,076.14/4,630.83 = 2,808.30/x
3. Step 3: Cross multiply
   3,076.14x = 4,630.83 × 2,808.30
4. Step 4: Simplify right side
   3,076.14x = 13,004,759.89
5. Step 5: Solve for x
   x = 13,004,759.89/3,076.14
6. Step 6: Final answer
   x = 4,227.62