Finding the Fourth Proportional to 16,636.96, 24,936.28 and 7,274.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,636.96 : 24,936.28 = 7,274.78 : x
2. Step 2: Convert to fraction form
   16,636.96/24,936.28 = 7,274.78/x
3. Step 3: Cross multiply
   16,636.96x = 24,936.28 × 7,274.78
4. Step 4: Simplify right side
   16,636.96x = 181,405,808.15
5. Step 5: Solve for x
   x = 181,405,808.15/16,636.96
6. Step 6: Final answer
   x = 10,903.79