Finding the Fourth Proportional to 18,443.28, 25,450.96 and 10,059.78

Step by Step Solution

1. Step 1: Write the proportion equation
   18,443.28 : 25,450.96 = 10,059.78 : x
2. Step 2: Convert to fraction form
   18,443.28/25,450.96 = 10,059.78/x
3. Step 3: Cross multiply
   18,443.28x = 25,450.96 × 10,059.78
4. Step 4: Simplify right side
   18,443.28x = 256,031,058.39
5. Step 5: Solve for x
   x = 256,031,058.39/18,443.28
6. Step 6: Final answer
   x = 13,882.08