Finding the Fourth Proportional to 6,789.73, 10,185.24 and 2,109.79

Step by Step Solution

1. Step 1: Write the proportion equation
   6,789.73 : 10,185.24 = 2,109.79 : x
2. Step 2: Convert to fraction form
   6,789.73/10,185.24 = 2,109.79/x
3. Step 3: Cross multiply
   6,789.73x = 10,185.24 × 2,109.79
4. Step 4: Simplify right side
   6,789.73x = 21,488,717.50
5. Step 5: Solve for x
   x = 21,488,717.50/6,789.73
6. Step 6: Final answer
   x = 3,164.89