Finding the Fourth Proportional to 25,118.16, 34,663.56 and 13,940.88

Step by Step Solution

1. Step 1: Write the proportion equation
   25,118.16 : 34,663.56 = 13,940.88 : x
2. Step 2: Convert to fraction form
   25,118.16/34,663.56 = 13,940.88/x
3. Step 3: Cross multiply
   25,118.16x = 34,663.56 × 13,940.88
4. Step 4: Simplify right side
   25,118.16x = 483,240,530.33
5. Step 5: Solve for x
   x = 483,240,530.33/25,118.16
6. Step 6: Final answer
   x = 19,238.69