Finding the Fourth Proportional to 19,162.24, 26,443.20 and 10,778.56

Step by Step Solution

1. Step 1: Write the proportion equation
   19,162.24 : 26,443.20 = 10,778.56 : x
2. Step 2: Convert to fraction form
   19,162.24/26,443.20 = 10,778.56/x
3. Step 3: Cross multiply
   19,162.24x = 26,443.20 × 10,778.56
4. Step 4: Simplify right side
   19,162.24x = 285,019,617.79
5. Step 5: Solve for x
   x = 285,019,617.79/19,162.24
6. Step 6: Final answer
   x = 14,874.02