Finding the Fourth Proportional to 12,383.41, 17,089.10 and 7,078.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,383.41 : 17,089.10 = 7,078.34 : x
2. Step 2: Convert to fraction form
   12,383.41/17,089.10 = 7,078.34/x
3. Step 3: Cross multiply
   12,383.41x = 17,089.10 × 7,078.34
4. Step 4: Simplify right side
   12,383.41x = 120,962,456.43
5. Step 5: Solve for x
   x = 120,962,456.43/12,383.41
6. Step 6: Final answer
   x = 9,768.11