Finding the Fourth Proportional to 3,450.42, 5,174.12 and 984.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,450.42 : 5,174.12 = 984.69 : x
2. Step 2: Convert to fraction form
   3,450.42/5,174.12 = 984.69/x
3. Step 3: Cross multiply
   3,450.42x = 5,174.12 × 984.69
4. Step 4: Simplify right side
   3,450.42x = 5,094,906.68
5. Step 5: Solve for x
   x = 5,094,906.68/3,450.42
6. Step 6: Final answer
   x = 1,476.60