Finding the Fourth Proportional to 9,205.58, 12,704.06 and 5,227.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,205.58 : 12,704.06 = 5,227.07 : x
2. Step 2: Convert to fraction form
   9,205.58/12,704.06 = 5,227.07/x
3. Step 3: Cross multiply
   9,205.58x = 12,704.06 × 5,227.07
4. Step 4: Simplify right side
   9,205.58x = 66,404,947.38
5. Step 5: Solve for x
   x = 66,404,947.38/9,205.58
6. Step 6: Final answer
   x = 7,213.55