Finding the Fourth Proportional to 39,786.27, 59,644.17 and 25,757.07

Step by Step Solution

1. Step 1: Write the proportion equation
   39,786.27 : 59,644.17 = 25,757.07 : x
2. Step 2: Convert to fraction form
   39,786.27/59,644.17 = 25,757.07/x
3. Step 3: Cross multiply
   39,786.27x = 59,644.17 × 25,757.07
4. Step 4: Simplify right side
   39,786.27x = 1,536,259,061.78
5. Step 5: Solve for x
   x = 1,536,259,061.78/39,786.27
6. Step 6: Final answer
   x = 38,612.79