Finding the Fourth Proportional to 10,885.05, 16,329.02 and 3,487.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,885.05 : 16,329.02 = 3,487.05 : x
2. Step 2: Convert to fraction form
   10,885.05/16,329.02 = 3,487.05/x
3. Step 3: Cross multiply
   10,885.05x = 16,329.02 × 3,487.05
4. Step 4: Simplify right side
   10,885.05x = 56,940,091.76
5. Step 5: Solve for x
   x = 56,940,091.76/10,885.05
6. Step 6: Final answer
   x = 5,231.04