Finding the Fourth Proportional to 25,116.48, 34,662.72 and 13,940.16

Step by Step Solution

1. Step 1: Write the proportion equation
   25,116.48 : 34,662.72 = 13,940.16 : x
2. Step 2: Convert to fraction form
   25,116.48/34,662.72 = 13,940.16/x
3. Step 3: Cross multiply
   25,116.48x = 34,662.72 × 13,940.16
4. Step 4: Simplify right side
   25,116.48x = 483,203,862.84
5. Step 5: Solve for x
   x = 483,203,862.84/25,116.48
6. Step 6: Final answer
   x = 19,238.52