Finding the Fourth Proportional to 12,298.89, 16,951.51 and 8,258.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,298.89 : 16,951.51 = 8,258.41 : x
2. Step 2: Convert to fraction form
   12,298.89/16,951.51 = 8,258.41/x
3. Step 3: Cross multiply
   12,298.89x = 16,951.51 × 8,258.41
4. Step 4: Simplify right side
   12,298.89x = 139,992,519.70
5. Step 5: Solve for x
   x = 139,992,519.70/12,298.89
6. Step 6: Final answer
   x = 11,382.53