Finding the Fourth Proportional to 8,942.73, 12,330.45 and 7,258.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,942.73 : 12,330.45 = 7,258.83 : x
2. Step 2: Convert to fraction form
   8,942.73/12,330.45 = 7,258.83/x
3. Step 3: Cross multiply
   8,942.73x = 12,330.45 × 7,258.83
4. Step 4: Simplify right side
   8,942.73x = 89,504,640.37
5. Step 5: Solve for x
   x = 89,504,640.37/8,942.73
6. Step 6: Final answer
   x = 10,008.65