Finding the Fourth Proportional to 9,665.28, 13,337.64 and 5,473.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,665.28 : 13,337.64 = 5,473.56 : x
2. Step 2: Convert to fraction form
   9,665.28/13,337.64 = 5,473.56/x
3. Step 3: Cross multiply
   9,665.28x = 13,337.64 × 5,473.56
4. Step 4: Simplify right side
   9,665.28x = 73,004,372.80
5. Step 5: Solve for x
   x = 73,004,372.80/9,665.28
6. Step 6: Final answer
   x = 7,553.26