Finding the Fourth Proportional to 3,968.42, 5,952.39 and 1,776.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,968.42 : 5,952.39 = 1,776.56 : x
2. Step 2: Convert to fraction form
   3,968.42/5,952.39 = 1,776.56/x
3. Step 3: Cross multiply
   3,968.42x = 5,952.39 × 1,776.56
4. Step 4: Simplify right side
   3,968.42x = 10,574,741.55
5. Step 5: Solve for x
   x = 10,574,741.55/3,968.42
6. Step 6: Final answer
   x = 2,664.73