Finding the Fourth Proportional to 3,982.79, 5,499.47 and 3,562.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,982.79 : 5,499.47 = 3,562.40 : x
2. Step 2: Convert to fraction form
   3,982.79/5,499.47 = 3,562.40/x
3. Step 3: Cross multiply
   3,982.79x = 5,499.47 × 3,562.40
4. Step 4: Simplify right side
   3,982.79x = 19,591,311.93
5. Step 5: Solve for x
   x = 19,591,311.93/3,982.79
6. Step 6: Final answer
   x = 4,918.99