Finding the Fourth Proportional to 10,996.45, 16,496.29 and 3,976.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,996.45 : 16,496.29 = 3,976.99 : x
2. Step 2: Convert to fraction form
   10,996.45/16,496.29 = 3,976.99/x
3. Step 3: Cross multiply
   10,996.45x = 16,496.29 × 3,976.99
4. Step 4: Simplify right side
   10,996.45x = 65,605,580.37
5. Step 5: Solve for x
   x = 65,605,580.37/10,996.45
6. Step 6: Final answer
   x = 5,966.07