Finding the Fourth Proportional to 16,424.58, 24,636.72 and 11,146.53

Step by Step Solution

1. Step 1: Write the proportion equation
   16,424.58 : 24,636.72 = 11,146.53 : x
2. Step 2: Convert to fraction form
   16,424.58/24,636.72 = 11,146.53/x
3. Step 3: Cross multiply
   16,424.58x = 24,636.72 × 11,146.53
4. Step 4: Simplify right side
   16,424.58x = 274,613,938.58
5. Step 5: Solve for x
   x = 274,613,938.58/16,424.58
6. Step 6: Final answer
   x = 16,719.69