Finding the Fourth Proportional to 25,144.72, 34,705.95 and 14,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,144.72 : 34,705.95 = 14,540.50 : x
2. Step 2: Convert to fraction form
   25,144.72/34,705.95 = 14,540.50/x
3. Step 3: Cross multiply
   25,144.72x = 34,705.95 × 14,540.50
4. Step 4: Simplify right side
   25,144.72x = 504,641,865.98
5. Step 5: Solve for x
   x = 504,641,865.98/25,144.72
6. Step 6: Final answer
   x = 20,069.50