Finding the Fourth Proportional to 9,450.72, 13,013.52 and 8,896.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,450.72 : 13,013.52 = 8,896.56 : x
2. Step 2: Convert to fraction form
   9,450.72/13,013.52 = 8,896.56/x
3. Step 3: Cross multiply
   9,450.72x = 13,013.52 × 8,896.56
4. Step 4: Simplify right side
   9,450.72x = 115,775,561.49
5. Step 5: Solve for x
   x = 115,775,561.49/9,450.72
6. Step 6: Final answer
   x = 12,250.45