Finding the Fourth Proportional to 3,447.69, 5,172.34 and 982.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,447.69 : 5,172.34 = 982.54 : x
2. Step 2: Convert to fraction form
   3,447.69/5,172.34 = 982.54/x
3. Step 3: Cross multiply
   3,447.69x = 5,172.34 × 982.54
4. Step 4: Simplify right side
   3,447.69x = 5,082,030.94
5. Step 5: Solve for x
   x = 5,082,030.94/3,447.69
6. Step 6: Final answer
   x = 1,474.04