Finding the Fourth Proportional to 12,384.24, 17,089.83 and 7,078.95

Step by Step Solution

1. Step 1: Write the proportion equation
   12,384.24 : 17,089.83 = 7,078.95 : x
2. Step 2: Convert to fraction form
   12,384.24/17,089.83 = 7,078.95/x
3. Step 3: Cross multiply
   12,384.24x = 17,089.83 × 7,078.95
4. Step 4: Simplify right side
   12,384.24x = 120,978,052.08
5. Step 5: Solve for x
   x = 120,978,052.08/12,384.24
6. Step 6: Final answer
   x = 9,768.71