Finding the Fourth Proportional to 3,984.76, 5,499.50 and 2,412.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984.76 : 5,499.50 = 2,412.55 : x
2. Step 2: Convert to fraction form
   3,984.76/5,499.50 = 2,412.55/x
3. Step 3: Cross multiply
   3,984.76x = 5,499.50 × 2,412.55
4. Step 4: Simplify right side
   3,984.76x = 13,267,818.73
5. Step 5: Solve for x
   x = 13,267,818.73/3,984.76
6. Step 6: Final answer
   x = 3,329.64