Finding the Fourth Proportional to 18,464.29, 25,480.71 and 10,080.79

Step by Step Solution

1. Step 1: Write the proportion equation
   18,464.29 : 25,480.71 = 10,080.79 : x
2. Step 2: Convert to fraction form
   18,464.29/25,480.71 = 10,080.79/x
3. Step 3: Cross multiply
   18,464.29x = 25,480.71 × 10,080.79
4. Step 4: Simplify right side
   18,464.29x = 256,865,622.86
5. Step 5: Solve for x
   x = 256,865,622.86/18,464.29
6. Step 6: Final answer
   x = 13,911.48