Finding the Fourth Proportional to 3,982.68, 5,961.69 and 3,642.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,982.68 : 5,961.69 = 3,642.48 : x
2. Step 2: Convert to fraction form
   3,982.68/5,961.69 = 3,642.48/x
3. Step 3: Cross multiply
   3,982.68x = 5,961.69 × 3,642.48
4. Step 4: Simplify right side
   3,982.68x = 21,715,336.59
5. Step 5: Solve for x
   x = 21,715,336.59/3,982.68
6. Step 6: Final answer
   x = 5,452.44