Finding the Fourth Proportional to 25,987.72, 35,863.86 and 14,809

Step by Step Solution

1. Step 1: Write the proportion equation
   25,987.72 : 35,863.86 = 14,809 : x
2. Step 2: Convert to fraction form
   25,987.72/35,863.86 = 14,809/x
3. Step 3: Cross multiply
   25,987.72x = 35,863.86 × 14,809
4. Step 4: Simplify right side
   25,987.72x = 531,107,902.74
5. Step 5: Solve for x
   x = 531,107,902.74/25,987.72
6. Step 6: Final answer
   x = 20,436.88