Finding the Fourth Proportional to 12,473.15, 17,216.42 and 7,169.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,473.15 : 17,216.42 = 7,169.67 : x
2. Step 2: Convert to fraction form
   12,473.15/17,216.42 = 7,169.67/x
3. Step 3: Cross multiply
   12,473.15x = 17,216.42 × 7,169.67
4. Step 4: Simplify right side
   12,473.15x = 123,436,014.13
5. Step 5: Solve for x
   x = 123,436,014.13/12,473.15
6. Step 6: Final answer
   x = 9,896.14