Finding the Fourth Proportional to 12,467.66, 18,685.72 and 5,445.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,467.66 : 18,685.72 = 5,445.82 : x
2. Step 2: Convert to fraction form
   12,467.66/18,685.72 = 5,445.82/x
3. Step 3: Cross multiply
   12,467.66x = 18,685.72 × 5,445.82
4. Step 4: Simplify right side
   12,467.66x = 101,759,067.69
5. Step 5: Solve for x
   x = 101,759,067.69/12,467.66
6. Step 6: Final answer
   x = 8,161.84