Finding the Fourth Proportional to 25,121.72, 34,667.34 and 13,943

Step by Step Solution

1. Step 1: Write the proportion equation
   25,121.72 : 34,667.34 = 13,943 : x
2. Step 2: Convert to fraction form
   25,121.72/34,667.34 = 13,943/x
3. Step 3: Cross multiply
   25,121.72x = 34,667.34 × 13,943
4. Step 4: Simplify right side
   25,121.72x = 483,366,721.62
5. Step 5: Solve for x
   x = 483,366,721.62/25,121.72
6. Step 6: Final answer
   x = 19,240.99