Finding the Fourth Proportional to 2,036.81, 2,810.84 and 1,105.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,036.81 : 2,810.84 = 1,105.31 : x
2. Step 2: Convert to fraction form
   2,036.81/2,810.84 = 1,105.31/x
3. Step 3: Cross multiply
   2,036.81x = 2,810.84 × 1,105.31
4. Step 4: Simplify right side
   2,036.81x = 3,106,851.06
5. Step 5: Solve for x
   x = 3,106,851.06/2,036.81
6. Step 6: Final answer
   x = 1,525.35