Finding the Fourth Proportional to 16,258.89, 22,429.03 and 10,280.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,258.89 : 22,429.03 = 10,280.49 : x
2. Step 2: Convert to fraction form
   16,258.89/22,429.03 = 10,280.49/x
3. Step 3: Cross multiply
   16,258.89x = 22,429.03 × 10,280.49
4. Step 4: Simplify right side
   16,258.89x = 230,581,367.22
5. Step 5: Solve for x
   x = 230,581,367.22/16,258.89
6. Step 6: Final answer
   x = 14,181.86