Finding the Fourth Proportional to 3,967.04, 5,949.12 and 1,658.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.04 : 5,949.12 = 1,658.72 : x
2. Step 2: Convert to fraction form
   3,967.04/5,949.12 = 1,658.72/x
3. Step 3: Cross multiply
   3,967.04x = 5,949.12 × 1,658.72
4. Step 4: Simplify right side
   3,967.04x = 9,867,924.33
5. Step 5: Solve for x
   x = 9,867,924.33/3,967.04
6. Step 6: Final answer
   x = 2,487.48