Finding the Fourth Proportional to 9,546.56, 13,126.56 and 8,146.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,546.56 : 13,126.56 = 8,146.88 : x
2. Step 2: Convert to fraction form
   9,546.56/13,126.56 = 8,146.88/x
3. Step 3: Cross multiply
   9,546.56x = 13,126.56 × 8,146.88
4. Step 4: Simplify right side
   9,546.56x = 106,940,509.13
5. Step 5: Solve for x
   x = 106,940,509.13/9,546.56
6. Step 6: Final answer
   x = 11,201.99