Finding the Fourth Proportional to 3,675.50, 5,072.06 and 1,996.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,675.50 : 5,072.06 = 1,996.86 : x
2. Step 2: Convert to fraction form
   3,675.50/5,072.06 = 1,996.86/x
3. Step 3: Cross multiply
   3,675.50x = 5,072.06 × 1,996.86
4. Step 4: Simplify right side
   3,675.50x = 10,128,183.75
5. Step 5: Solve for x
   x = 10,128,183.75/3,675.50
6. Step 6: Final answer
   x = 2,755.60