Finding the Fourth Proportional to 3,756.72, 5,627.76 and 1,810.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,756.72 : 5,627.76 = 1,810.28 : x
2. Step 2: Convert to fraction form
   3,756.72/5,627.76 = 1,810.28/x
3. Step 3: Cross multiply
   3,756.72x = 5,627.76 × 1,810.28
4. Step 4: Simplify right side
   3,756.72x = 10,187,821.37
5. Step 5: Solve for x
   x = 10,187,821.37/3,756.72
6. Step 6: Final answer
   x = 2,711.89