Finding the Fourth Proportional to 6,789.58, 10,185.96 and 2,109.35

Step by Step Solution

1. Step 1: Write the proportion equation
   6,789.58 : 10,185.96 = 2,109.35 : x
2. Step 2: Convert to fraction form
   6,789.58/10,185.96 = 2,109.35/x
3. Step 3: Cross multiply
   6,789.58x = 10,185.96 × 2,109.35
4. Step 4: Simplify right side
   6,789.58x = 21,485,754.73
5. Step 5: Solve for x
   x = 21,485,754.73/6,789.58
6. Step 6: Final answer
   x = 3,164.52