Finding the Fourth Proportional to 8,049.72, 12,064.84 and 3,423

Step by Step Solution

1. Step 1: Write the proportion equation
   8,049.72 : 12,064.84 = 3,423 : x
2. Step 2: Convert to fraction form
   8,049.72/12,064.84 = 3,423/x
3. Step 3: Cross multiply
   8,049.72x = 12,064.84 × 3,423
4. Step 4: Simplify right side
   8,049.72x = 41,297,947.32
5. Step 5: Solve for x
   x = 41,297,947.32/8,049.72
6. Step 6: Final answer
   x = 5,130.36