Finding the Fourth Proportional to 8,025.54, 12,035.20 and 3,215.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,025.54 : 12,035.20 = 3,215.49 : x
2. Step 2: Convert to fraction form
   8,025.54/12,035.20 = 3,215.49/x
3. Step 3: Cross multiply
   8,025.54x = 12,035.20 × 3,215.49
4. Step 4: Simplify right side
   8,025.54x = 38,699,065.25
5. Step 5: Solve for x
   x = 38,699,065.25/8,025.54
6. Step 6: Final answer
   x = 4,821.99