Finding the Fourth Proportional to 4,763.30, 6,571.83 and 3,086.00

Step by Step Solution

1. Step 1: Write the proportion equation
   4,763.30 : 6,571.83 = 3,086.00 : x
2. Step 2: Convert to fraction form
   4,763.30/6,571.83 = 3,086.00/x
3. Step 3: Cross multiply
   4,763.30x = 6,571.83 × 3,086.00
4. Step 4: Simplify right side
   4,763.30x = 20,280,634.52
5. Step 5: Solve for x
   x = 20,280,634.52/4,763.30
6. Step 6: Final answer
   x = 4,257.68