Finding the Fourth Proportional to 10,996.68, 16,497.49 and 3,500.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,996.68 : 16,497.49 = 3,500.67 : x
2. Step 2: Convert to fraction form
   10,996.68/16,497.49 = 3,500.67/x
3. Step 3: Cross multiply
   10,996.68x = 16,497.49 × 3,500.67
4. Step 4: Simplify right side
   10,996.68x = 57,752,268.32
5. Step 5: Solve for x
   x = 57,752,268.32/10,996.68
6. Step 6: Final answer
   x = 5,251.79