Finding the Fourth Proportional to 17,758.54, 24,499.32 and 12,456.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,758.54 : 24,499.32 = 12,456.82 : x
2. Step 2: Convert to fraction form
   17,758.54/24,499.32 = 12,456.82/x
3. Step 3: Cross multiply
   17,758.54x = 24,499.32 × 12,456.82
4. Step 4: Simplify right side
   17,758.54x = 305,183,619.36
5. Step 5: Solve for x
   x = 305,183,619.36/17,758.54
6. Step 6: Final answer
   x = 17,185.18