Finding the Fourth Proportional to 3,985.34, 5,500.37 and 3,039.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,985.34 : 5,500.37 = 3,039.53 : x
2. Step 2: Convert to fraction form
   3,985.34/5,500.37 = 3,039.53/x
3. Step 3: Cross multiply
   3,985.34x = 5,500.37 × 3,039.53
4. Step 4: Simplify right side
   3,985.34x = 16,718,519.72
5. Step 5: Solve for x
   x = 16,718,519.72/3,985.34
6. Step 6: Final answer
   x = 4,195.01