Finding the Fourth Proportional to 12,383.82, 17,089.38 and 7,078.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,383.82 : 17,089.38 = 7,078.59 : x
2. Step 2: Convert to fraction form
   12,383.82/17,089.38 = 7,078.59/x
3. Step 3: Cross multiply
   12,383.82x = 17,089.38 × 7,078.59
4. Step 4: Simplify right side
   12,383.82x = 120,968,714.37
5. Step 5: Solve for x
   x = 120,968,714.37/12,383.82
6. Step 6: Final answer
   x = 9,768.29