Finding the Fourth Proportional to 18,488.09, 25,513.53 and 10,104.59

Step by Step Solution

1. Step 1: Write the proportion equation
   18,488.09 : 25,513.53 = 10,104.59 : x
2. Step 2: Convert to fraction form
   18,488.09/25,513.53 = 10,104.59/x
3. Step 3: Cross multiply
   18,488.09x = 25,513.53 × 10,104.59
4. Step 4: Simplify right side
   18,488.09x = 257,803,760.10
5. Step 5: Solve for x
   x = 257,803,760.10/18,488.09
6. Step 6: Final answer
   x = 13,944.32