Finding the Fourth Proportional to 19,162.29, 26,443.94 and 10,778.79

Step by Step Solution

1. Step 1: Write the proportion equation
   19,162.29 : 26,443.94 = 10,778.79 : x
2. Step 2: Convert to fraction form
   19,162.29/26,443.94 = 10,778.79/x
3. Step 3: Cross multiply
   19,162.29x = 26,443.94 × 10,778.79
4. Step 4: Simplify right side
   19,162.29x = 285,033,676.03
5. Step 5: Solve for x
   x = 285,033,676.03/19,162.29
6. Step 6: Final answer
   x = 14,874.72