Finding the Fourth Proportional to 8,215.50, 12,323.52 and 2,059.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,215.50 : 12,323.52 = 2,059.50 : x
2. Step 2: Convert to fraction form
   8,215.50/12,323.52 = 2,059.50/x
3. Step 3: Cross multiply
   8,215.50x = 12,323.52 × 2,059.50
4. Step 4: Simplify right side
   8,215.50x = 25,380,289.44
5. Step 5: Solve for x
   x = 25,380,289.44/8,215.50
6. Step 6: Final answer
   x = 3,089.32