Finding the Fourth Proportional to 3,675.85, 5,072.72 and 1,997.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,675.85 : 5,072.72 = 1,997.29 : x
2. Step 2: Convert to fraction form
   3,675.85/5,072.72 = 1,997.29/x
3. Step 3: Cross multiply
   3,675.85x = 5,072.72 × 1,997.29
4. Step 4: Simplify right side
   3,675.85x = 10,131,672.56
5. Step 5: Solve for x
   x = 10,131,672.56/3,675.85
6. Step 6: Final answer
   x = 2,756.28