Finding the Fourth Proportional to 12,467.74, 17,206.13 and 7,162.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,467.74 : 17,206.13 = 7,162.89 : x
2. Step 2: Convert to fraction form
   12,467.74/17,206.13 = 7,162.89/x
3. Step 3: Cross multiply
   12,467.74x = 17,206.13 × 7,162.89
4. Step 4: Simplify right side
   12,467.74x = 123,245,616.52
5. Step 5: Solve for x
   x = 123,245,616.52/12,467.74
6. Step 6: Final answer
   x = 9,885.16