Finding the Fourth Proportional to 12,377.82, 17,081.56 and 6,789.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,377.82 : 17,081.56 = 6,789.18 : x
2. Step 2: Convert to fraction form
   12,377.82/17,081.56 = 6,789.18/x
3. Step 3: Cross multiply
   12,377.82x = 17,081.56 × 6,789.18
4. Step 4: Simplify right side
   12,377.82x = 115,969,785.52
5. Step 5: Solve for x
   x = 115,969,785.52/12,377.82
6. Step 6: Final answer
   x = 9,369.16