Finding the Fourth Proportional to 3,755.72, 5,626.26 and 1,809.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,755.72 : 5,626.26 = 1,809.30 : x
2. Step 2: Convert to fraction form
   3,755.72/5,626.26 = 1,809.30/x
3. Step 3: Cross multiply
   3,755.72x = 5,626.26 × 1,809.30
4. Step 4: Simplify right side
   3,755.72x = 10,179,592.22
5. Step 5: Solve for x
   x = 10,179,592.22/3,755.72
6. Step 6: Final answer
   x = 2,710.42