Finding the Fourth Proportional to 8,084.24, 12,129.24 and 3,464.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,084.24 : 12,129.24 = 3,464.72 : x
2. Step 2: Convert to fraction form
   8,084.24/12,129.24 = 3,464.72/x
3. Step 3: Cross multiply
   8,084.24x = 12,129.24 × 3,464.72
4. Step 4: Simplify right side
   8,084.24x = 42,024,420.41
5. Step 5: Solve for x
   x = 42,024,420.41/8,084.24
6. Step 6: Final answer
   x = 5,198.31