Finding the Fourth Proportional to 16,418.24, 24,618.55 and 5,171.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,418.24 : 24,618.55 = 5,171.48 : x
2. Step 2: Convert to fraction form
   16,418.24/24,618.55 = 5,171.48/x
3. Step 3: Cross multiply
   16,418.24x = 24,618.55 × 5,171.48
4. Step 4: Simplify right side
   16,418.24x = 127,314,247.56
5. Step 5: Solve for x
   x = 127,314,247.56/16,418.24
6. Step 6: Final answer
   x = 7,754.44