Finding the Fourth Proportional to 16,419.44, 24,636.72 and 10,186.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,419.44 : 24,636.72 = 10,186.76 : x
2. Step 2: Convert to fraction form
   16,419.44/24,636.72 = 10,186.76/x
3. Step 3: Cross multiply
   16,419.44x = 24,636.72 × 10,186.76
4. Step 4: Simplify right side
   16,419.44x = 250,968,353.83
5. Step 5: Solve for x
   x = 250,968,353.83/16,419.44
6. Step 6: Final answer
   x = 15,284.83