Finding the Fourth Proportional to 12,333.31, 18,491.77 and 6,789.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,333.31 : 18,491.77 = 6,789.27 : x
2. Step 2: Convert to fraction form
   12,333.31/18,491.77 = 6,789.27/x
3. Step 3: Cross multiply
   12,333.31x = 18,491.77 × 6,789.27
4. Step 4: Simplify right side
   12,333.31x = 125,545,574.03
5. Step 5: Solve for x
   x = 125,545,574.03/12,333.31
6. Step 6: Final answer
   x = 10,179.39