Finding the Fourth Proportional to 3,629.42, 5,434.64 and 1,982.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,629.42 : 5,434.64 = 1,982.56 : x
2. Step 2: Convert to fraction form
   3,629.42/5,434.64 = 1,982.56/x
3. Step 3: Cross multiply
   3,629.42x = 5,434.64 × 1,982.56
4. Step 4: Simplify right side
   3,629.42x = 10,774,499.88
5. Step 5: Solve for x
   x = 10,774,499.88/3,629.42
6. Step 6: Final answer
   x = 2,968.66