Finding the Fourth Proportional to 12,671.27, 17,485.65 and 7,005.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,671.27 : 17,485.65 = 7,005.69 : x
2. Step 2: Convert to fraction form
   12,671.27/17,485.65 = 7,005.69/x
3. Step 3: Cross multiply
   12,671.27x = 17,485.65 × 7,005.69
4. Step 4: Simplify right side
   12,671.27x = 122,498,920.89
5. Step 5: Solve for x
   x = 122,498,920.89/12,671.27
6. Step 6: Final answer
   x = 9,667.45