Finding the Fourth Proportional to 8,904.54, 12,286.71 and 5,546.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,904.54 : 12,286.71 = 5,546.28 : x
2. Step 2: Convert to fraction form
   8,904.54/12,286.71 = 5,546.28/x
3. Step 3: Cross multiply
   8,904.54x = 12,286.71 × 5,546.28
4. Step 4: Simplify right side
   8,904.54x = 68,145,533.94
5. Step 5: Solve for x
   x = 68,145,533.94/8,904.54
6. Step 6: Final answer
   x = 7,652.90