Finding the Fourth Proportional to 12,673, 19,015.98 and 4,879.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,673 : 19,015.98 = 4,879.72 : x
2. Step 2: Convert to fraction form
   12,673/19,015.98 = 4,879.72/x
3. Step 3: Cross multiply
   12,673x = 19,015.98 × 4,879.72
4. Step 4: Simplify right side
   12,673x = 92,792,657.93
5. Step 5: Solve for x
   x = 92,792,657.93/12,673
6. Step 6: Final answer
   x = 7,322.08