Finding the Fourth Proportional to 11,082.49, 16,606.64 and 5,453.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,082.49 : 16,606.64 = 5,453.69 : x
2. Step 2: Convert to fraction form
   11,082.49/16,606.64 = 5,453.69/x
3. Step 3: Cross multiply
   11,082.49x = 16,606.64 × 5,453.69
4. Step 4: Simplify right side
   11,082.49x = 90,567,466.50
5. Step 5: Solve for x
   x = 90,567,466.50/11,082.49
6. Step 6: Final answer
   x = 8,172.13