Finding the Fourth Proportional to 10,436.91, 14,394.54 and 9,175.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.91 : 14,394.54 = 9,175.29 : x
2. Step 2: Convert to fraction form
   10,436.91/14,394.54 = 9,175.29/x
3. Step 3: Cross multiply
   10,436.91x = 14,394.54 × 9,175.29
4. Step 4: Simplify right side
   10,436.91x = 132,074,078.92
5. Step 5: Solve for x
   x = 132,074,078.92/10,436.91
6. Step 6: Final answer
   x = 12,654.52