Finding the Fourth Proportional to 12,443.67, 17,172.27 and 6,854.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,443.67 : 17,172.27 = 6,854.67 : x
2. Step 2: Convert to fraction form
   12,443.67/17,172.27 = 6,854.67/x
3. Step 3: Cross multiply
   12,443.67x = 17,172.27 × 6,854.67
4. Step 4: Simplify right side
   12,443.67x = 117,710,244.00
5. Step 5: Solve for x
   x = 117,710,244.00/12,443.67
6. Step 6: Final answer
   x = 9,459.45