Finding the Fourth Proportional to 8,162.86, 12,235.88 and 3,230.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,162.86 : 12,235.88 = 3,230.50 : x
2. Step 2: Convert to fraction form
   8,162.86/12,235.88 = 3,230.50/x
3. Step 3: Cross multiply
   8,162.86x = 12,235.88 × 3,230.50
4. Step 4: Simplify right side
   8,162.86x = 39,528,010.34
5. Step 5: Solve for x
   x = 39,528,010.34/8,162.86
6. Step 6: Final answer
   x = 4,842.42