Finding the Fourth Proportional to 9,087.94, 12,540.09 and 5,054.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,087.94 : 12,540.09 = 5,054.46 : x
2. Step 2: Convert to fraction form
   9,087.94/12,540.09 = 5,054.46/x
3. Step 3: Cross multiply
   9,087.94x = 12,540.09 × 5,054.46
4. Step 4: Simplify right side
   9,087.94x = 63,383,383.30
5. Step 5: Solve for x
   x = 63,383,383.30/9,087.94
6. Step 6: Final answer
   x = 6,974.45