Finding the Fourth Proportional to 25,117.50, 34,662.24 and 13,939.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,117.50 : 34,662.24 = 13,939.50 : x
2. Step 2: Convert to fraction form
   25,117.50/34,662.24 = 13,939.50/x
3. Step 3: Cross multiply
   25,117.50x = 34,662.24 × 13,939.50
4. Step 4: Simplify right side
   25,117.50x = 483,174,294.48
5. Step 5: Solve for x
   x = 483,174,294.48/25,117.50
6. Step 6: Final answer
   x = 19,236.56