Finding the Fourth Proportional to 2,036.67, 2,810.61 and 1,105.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,036.67 : 2,810.61 = 1,105.17 : x
2. Step 2: Convert to fraction form
   2,036.67/2,810.61 = 1,105.17/x
3. Step 3: Cross multiply
   2,036.67x = 2,810.61 × 1,105.17
4. Step 4: Simplify right side
   2,036.67x = 3,106,201.85
5. Step 5: Solve for x
   x = 3,106,201.85/2,036.67
6. Step 6: Final answer
   x = 1,525.14