Finding the Fourth Proportional to 25,447.50, 35,120.79 and 14,269.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,447.50 : 35,120.79 = 14,269.50 : x
2. Step 2: Convert to fraction form
   25,447.50/35,120.79 = 14,269.50/x
3. Step 3: Cross multiply
   25,447.50x = 35,120.79 × 14,269.50
4. Step 4: Simplify right side
   25,447.50x = 501,156,112.91
5. Step 5: Solve for x
   x = 501,156,112.91/25,447.50
6. Step 6: Final answer
   x = 19,693.73