Finding the Fourth Proportional to 10,665.05, 15,996.99 and 3,269.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,665.05 : 15,996.99 = 3,269.53 : x
2. Step 2: Convert to fraction form
   10,665.05/15,996.99 = 3,269.53/x
3. Step 3: Cross multiply
   10,665.05x = 15,996.99 × 3,269.53
4. Step 4: Simplify right side
   10,665.05x = 52,302,638.71
5. Step 5: Solve for x
   x = 52,302,638.71/10,665.05
6. Step 6: Final answer
   x = 4,904.12