Finding the Fourth Proportional to 18,404.96, 25,398.72 and 10,021.44

Step by Step Solution

1. Step 1: Write the proportion equation
   18,404.96 : 25,398.72 = 10,021.44 : x
2. Step 2: Convert to fraction form
   18,404.96/25,398.72 = 10,021.44/x
3. Step 3: Cross multiply
   18,404.96x = 25,398.72 × 10,021.44
4. Step 4: Simplify right side
   18,404.96x = 254,531,748.56
5. Step 5: Solve for x
   x = 254,531,748.56/18,404.96
6. Step 6: Final answer
   x = 13,829.52