Finding the Fourth Proportional to 25,127.72, 34,674.90 and 13,949

Step by Step Solution

1. Step 1: Write the proportion equation
   25,127.72 : 34,674.90 = 13,949 : x
2. Step 2: Convert to fraction form
   25,127.72/34,674.90 = 13,949/x
3. Step 3: Cross multiply
   25,127.72x = 34,674.90 × 13,949
4. Step 4: Simplify right side
   25,127.72x = 483,680,180.10
5. Step 5: Solve for x
   x = 483,680,180.10/25,127.72
6. Step 6: Final answer
   x = 19,248.87