Finding the Fourth Proportional to 9,206.52, 12,704.61 and 5,227.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,206.52 : 12,704.61 = 5,227.56 : x
2. Step 2: Convert to fraction form
   9,206.52/12,704.61 = 5,227.56/x
3. Step 3: Cross multiply
   9,206.52x = 12,704.61 × 5,227.56
4. Step 4: Simplify right side
   9,206.52x = 66,414,111.05
5. Step 5: Solve for x
   x = 66,414,111.05/9,206.52
6. Step 6: Final answer
   x = 7,213.81