Finding the Fourth Proportional to 3,754.10, 5,626.47 and 1,805.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,754.10 : 5,626.47 = 1,805.78 : x
2. Step 2: Convert to fraction form
   3,754.10/5,626.47 = 1,805.78/x
3. Step 3: Cross multiply
   3,754.10x = 5,626.47 × 1,805.78
4. Step 4: Simplify right side
   3,754.10x = 10,160,167.00
5. Step 5: Solve for x
   x = 10,160,167.00/3,754.10
6. Step 6: Final answer
   x = 2,706.42