Finding the Fourth Proportional to 18,479.69, 25,501.96 and 9,981.83

Step by Step Solution

1. Step 1: Write the proportion equation
   18,479.69 : 25,501.96 = 9,981.83 : x
2. Step 2: Convert to fraction form
   18,479.69/25,501.96 = 9,981.83/x
3. Step 3: Cross multiply
   18,479.69x = 25,501.96 × 9,981.83
4. Step 4: Simplify right side
   18,479.69x = 254,556,249.47
5. Step 5: Solve for x
   x = 254,556,249.47/18,479.69
6. Step 6: Final answer
   x = 13,774.92