Finding the Fourth Proportional to 2,105.10, 3,163.73 and 1,837.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.10 : 3,163.73 = 1,837.80 : x
2. Step 2: Convert to fraction form
   2,105.10/3,163.73 = 1,837.80/x
3. Step 3: Cross multiply
   2,105.10x = 3,163.73 × 1,837.80
4. Step 4: Simplify right side
   2,105.10x = 5,814,293.81
5. Step 5: Solve for x
   x = 5,814,293.81/2,105.10
6. Step 6: Final answer
   x = 2,762.00