Finding the Fourth Proportional to 10,996.24, 16,484.50 and 3,974.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,996.24 : 16,484.50 = 3,974.61 : x
2. Step 2: Convert to fraction form
   10,996.24/16,484.50 = 3,974.61/x
3. Step 3: Cross multiply
   10,996.24x = 16,484.50 × 3,974.61
4. Step 4: Simplify right side
   10,996.24x = 65,519,458.55
5. Step 5: Solve for x
   x = 65,519,458.55/10,996.24
6. Step 6: Final answer
   x = 5,958.35