Finding the Fourth Proportional to 18,836.48, 25,996.56 and 10,453.52

Step by Step Solution

1. Step 1: Write the proportion equation
   18,836.48 : 25,996.56 = 10,453.52 : x
2. Step 2: Convert to fraction form
   18,836.48/25,996.56 = 10,453.52/x
3. Step 3: Cross multiply
   18,836.48x = 25,996.56 × 10,453.52
4. Step 4: Simplify right side
   18,836.48x = 271,755,559.89
5. Step 5: Solve for x
   x = 271,755,559.89/18,836.48
6. Step 6: Final answer
   x = 14,427.09