Finding the Fourth Proportional to 3,615.50, 4,989.32 and 2,043.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,615.50 : 4,989.32 = 2,043.59 : x
2. Step 2: Convert to fraction form
   3,615.50/4,989.32 = 2,043.59/x
3. Step 3: Cross multiply
   3,615.50x = 4,989.32 × 2,043.59
4. Step 4: Simplify right side
   3,615.50x = 10,196,137.79
5. Step 5: Solve for x
   x = 10,196,137.79/3,615.50
6. Step 6: Final answer
   x = 2,820.12