Finding the Fourth Proportional to 18,404.22, 25,397.64 and 10,020.72

Step by Step Solution

1. Step 1: Write the proportion equation
   18,404.22 : 25,397.64 = 10,020.72 : x
2. Step 2: Convert to fraction form
   18,404.22/25,397.64 = 10,020.72/x
3. Step 3: Cross multiply
   18,404.22x = 25,397.64 × 10,020.72
4. Step 4: Simplify right side
   18,404.22x = 254,502,639.10
5. Step 5: Solve for x
   x = 254,502,639.10/18,404.22
6. Step 6: Final answer
   x = 13,828.49