Finding the Fourth Proportional to 12,029.60, 16,607.76 and 8,258.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,029.60 : 16,607.76 = 8,258.24 : x
2. Step 2: Convert to fraction form
   12,029.60/16,607.76 = 8,258.24/x
3. Step 3: Cross multiply
   12,029.60x = 16,607.76 × 8,258.24
4. Step 4: Simplify right side
   12,029.60x = 137,150,867.94
5. Step 5: Solve for x
   x = 137,150,867.94/12,029.60
6. Step 6: Final answer
   x = 11,401.12