Finding the Fourth Proportional to 12,258.01, 18,362.94 and 8,085.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,258.01 : 18,362.94 = 8,085.30 : x
2. Step 2: Convert to fraction form
   12,258.01/18,362.94 = 8,085.30/x
3. Step 3: Cross multiply
   12,258.01x = 18,362.94 × 8,085.30
4. Step 4: Simplify right side
   12,258.01x = 148,469,878.78
5. Step 5: Solve for x
   x = 148,469,878.78/12,258.01
6. Step 6: Final answer
   x = 12,112.07