Finding the Fourth Proportional to 5,546.12, 7,650.42 and 3,974.60

Step by Step Solution

1. Step 1: Write the proportion equation
   5,546.12 : 7,650.42 = 3,974.60 : x
2. Step 2: Convert to fraction form
   5,546.12/7,650.42 = 3,974.60/x
3. Step 3: Cross multiply
   5,546.12x = 7,650.42 × 3,974.60
4. Step 4: Simplify right side
   5,546.12x = 30,407,359.33
5. Step 5: Solve for x
   x = 30,407,359.33/5,546.12
6. Step 6: Final answer
   x = 5,482.64