Finding the Fourth Proportional to 12,832.39, 17,708.52 and 7,167.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,832.39 : 17,708.52 = 7,167.23 : x
2. Step 2: Convert to fraction form
   12,832.39/17,708.52 = 7,167.23/x
3. Step 3: Cross multiply
   12,832.39x = 17,708.52 × 7,167.23
4. Step 4: Simplify right side
   12,832.39x = 126,921,140.15
5. Step 5: Solve for x
   x = 126,921,140.15/12,832.39
6. Step 6: Final answer
   x = 9,890.69