Finding the Fourth Proportional to 8,213.52, 12,320.04 and 3,018

Step by Step Solution

1. Step 1: Write the proportion equation
   8,213.52 : 12,320.04 = 3,018 : x
2. Step 2: Convert to fraction form
   8,213.52/12,320.04 = 3,018/x
3. Step 3: Cross multiply
   8,213.52x = 12,320.04 × 3,018
4. Step 4: Simplify right side
   8,213.52x = 37,181,880.72
5. Step 5: Solve for x
   x = 37,181,880.72/8,213.52
6. Step 6: Final answer
   x = 4,526.91