Finding the Fourth Proportional to 3,984.63, 5,498.85 and 2,391.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984.63 : 5,498.85 = 2,391.53 : x
2. Step 2: Convert to fraction form
   3,984.63/5,498.85 = 2,391.53/x
3. Step 3: Cross multiply
   3,984.63x = 5,498.85 × 2,391.53
4. Step 4: Simplify right side
   3,984.63x = 13,150,637.25
5. Step 5: Solve for x
   x = 13,150,637.25/3,984.63
6. Step 6: Final answer
   x = 3,300.34