Finding the Fourth Proportional to 3,992.04, 5,986.62 and 1,683.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,992.04 : 5,986.62 = 1,683.72 : x
2. Step 2: Convert to fraction form
   3,992.04/5,986.62 = 1,683.72/x
3. Step 3: Cross multiply
   3,992.04x = 5,986.62 × 1,683.72
4. Step 4: Simplify right side
   3,992.04x = 10,079,791.83
5. Step 5: Solve for x
   x = 10,079,791.83/3,992.04
6. Step 6: Final answer
   x = 2,524.97