Finding the Fourth Proportional to 3,993.84, 5,984.68 and 1,684.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,993.84 : 5,984.68 = 1,684.08 : x
2. Step 2: Convert to fraction form
   3,993.84/5,984.68 = 1,684.08/x
3. Step 3: Cross multiply
   3,993.84x = 5,984.68 × 1,684.08
4. Step 4: Simplify right side
   3,993.84x = 10,078,679.89
5. Step 5: Solve for x
   x = 10,078,679.89/3,993.84
6. Step 6: Final answer
   x = 2,523.56