Finding the Fourth Proportional to 25,448.50, 35,120.55 and 14,270.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,448.50 : 35,120.55 = 14,270.50 : x
2. Step 2: Convert to fraction form
   25,448.50/35,120.55 = 14,270.50/x
3. Step 3: Cross multiply
   25,448.50x = 35,120.55 × 14,270.50
4. Step 4: Simplify right side
   25,448.50x = 501,187,808.78
5. Step 5: Solve for x
   x = 501,187,808.78/25,448.50
6. Step 6: Final answer
   x = 19,694.20