Finding the Fourth Proportional to 11,452.43, 17,144.06 and 10,357.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,452.43 : 17,144.06 = 10,357.31 : x
2. Step 2: Convert to fraction form
   11,452.43/17,144.06 = 10,357.31/x
3. Step 3: Cross multiply
   11,452.43x = 17,144.06 × 10,357.31
4. Step 4: Simplify right side
   11,452.43x = 177,566,344.08
5. Step 5: Solve for x
   x = 177,566,344.08/11,452.43
6. Step 6: Final answer
   x = 15,504.69