Finding the Fourth Proportional to 25,142.34, 34,696.54 and 13,964.34

Step by Step Solution

1. Step 1: Write the proportion equation
   25,142.34 : 34,696.54 = 13,964.34 : x
2. Step 2: Convert to fraction form
   25,142.34/34,696.54 = 13,964.34/x
3. Step 3: Cross multiply
   25,142.34x = 34,696.54 × 13,964.34
4. Step 4: Simplify right side
   25,142.34x = 484,514,281.38
5. Step 5: Solve for x
   x = 484,514,281.38/25,142.34
6. Step 6: Final answer
   x = 19,270.85