Finding the Fourth Proportional to 18,404.61, 25,397.46 and 10,446.72

Step by Step Solution

1. Step 1: Write the proportion equation
   18,404.61 : 25,397.46 = 10,446.72 : x
2. Step 2: Convert to fraction form
   18,404.61/25,397.46 = 10,446.72/x
3. Step 3: Cross multiply
   18,404.61x = 25,397.46 × 10,446.72
4. Step 4: Simplify right side
   18,404.61x = 265,320,153.33
5. Step 5: Solve for x
   x = 265,320,153.33/18,404.61
6. Step 6: Final answer
   x = 14,415.96