Finding the Fourth Proportional to 12,363.97, 17,064.69 and 9,669.85

Step by Step Solution

1. Step 1: Write the proportion equation
   12,363.97 : 17,064.69 = 9,669.85 : x
2. Step 2: Convert to fraction form
   12,363.97/17,064.69 = 9,669.85/x
3. Step 3: Cross multiply
   12,363.97x = 17,064.69 × 9,669.85
4. Step 4: Simplify right side
   12,363.97x = 165,012,992.60
5. Step 5: Solve for x
   x = 165,012,992.60/12,363.97
6. Step 6: Final answer
   x = 13,346.28