Finding the Fourth Proportional to 8,180.52, 12,266.46 and 3,561

Step by Step Solution

1. Step 1: Write the proportion equation
   8,180.52 : 12,266.46 = 3,561 : x
2. Step 2: Convert to fraction form
   8,180.52/12,266.46 = 3,561/x
3. Step 3: Cross multiply
   8,180.52x = 12,266.46 × 3,561
4. Step 4: Simplify right side
   8,180.52x = 43,680,864.06
5. Step 5: Solve for x
   x = 43,680,864.06/8,180.52
6. Step 6: Final answer
   x = 5,339.62