Finding the Fourth Proportional to 12,443.52, 17,171.28 and 6,854.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,443.52 : 17,171.28 = 6,854.52 : x
2. Step 2: Convert to fraction form
   12,443.52/17,171.28 = 6,854.52/x
3. Step 3: Cross multiply
   12,443.52x = 17,171.28 × 6,854.52
4. Step 4: Simplify right side
   12,443.52x = 117,700,882.19
5. Step 5: Solve for x
   x = 117,700,882.19/12,443.52
6. Step 6: Final answer
   x = 9,458.81