Finding the Fourth Proportional to 12,797.82, 19,155.69 and 6,859.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,797.82 : 19,155.69 = 6,859.89 : x
2. Step 2: Convert to fraction form
   12,797.82/19,155.69 = 6,859.89/x
3. Step 3: Cross multiply
   12,797.82x = 19,155.69 × 6,859.89
4. Step 4: Simplify right side
   12,797.82x = 131,405,926.27
5. Step 5: Solve for x
   x = 131,405,926.27/12,797.82
6. Step 6: Final answer
   x = 10,267.84