Finding the Fourth Proportional to 3,610.50, 4,982.54 and 2,118.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,610.50 : 4,982.54 = 2,118.45 : x
2. Step 2: Convert to fraction form
   3,610.50/4,982.54 = 2,118.45/x
3. Step 3: Cross multiply
   3,610.50x = 4,982.54 × 2,118.45
4. Step 4: Simplify right side
   3,610.50x = 10,555,261.86
5. Step 5: Solve for x
   x = 10,555,261.86/3,610.50
6. Step 6: Final answer
   x = 2,923.49