Finding the Fourth Proportional to 3,753.81, 5,626.87 and 1,899.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,753.81 : 5,626.87 = 1,899.30 : x
2. Step 2: Convert to fraction form
   3,753.81/5,626.87 = 1,899.30/x
3. Step 3: Cross multiply
   3,753.81x = 5,626.87 × 1,899.30
4. Step 4: Simplify right side
   3,753.81x = 10,687,104.69
5. Step 5: Solve for x
   x = 10,687,104.69/3,753.81
6. Step 6: Final answer
   x = 2,847.01