Finding the Fourth Proportional to 17,243.38, 25,714.18 and 17,085.73

Step by Step Solution

1. Step 1: Write the proportion equation
   17,243.38 : 25,714.18 = 17,085.73 : x
2. Step 2: Convert to fraction form
   17,243.38/25,714.18 = 17,085.73/x
3. Step 3: Cross multiply
   17,243.38x = 25,714.18 × 17,085.73
4. Step 4: Simplify right side
   17,243.38x = 439,345,536.65
5. Step 5: Solve for x
   x = 439,345,536.65/17,243.38
6. Step 6: Final answer
   x = 25,479.08