Finding the Fourth Proportional to 9,951.47, 13,732.47 and 5,474.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,951.47 : 13,732.47 = 5,474.49 : x
2. Step 2: Convert to fraction form
   9,951.47/13,732.47 = 5,474.49/x
3. Step 3: Cross multiply
   9,951.47x = 13,732.47 × 5,474.49
4. Step 4: Simplify right side
   9,951.47x = 75,178,269.69
5. Step 5: Solve for x
   x = 75,178,269.69/9,951.47
6. Step 6: Final answer
   x = 7,554.49