Finding the Fourth Proportional to 2,036.65, 2,810.63 and 1,105.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,036.65 : 2,810.63 = 1,105.15 : x
2. Step 2: Convert to fraction form
   2,036.65/2,810.63 = 1,105.15/x
3. Step 3: Cross multiply
   2,036.65x = 2,810.63 × 1,105.15
4. Step 4: Simplify right side
   2,036.65x = 3,106,148.17
5. Step 5: Solve for x
   x = 3,106,148.17/2,036.65
6. Step 6: Final answer
   x = 1,525.13