Finding the Fourth Proportional to 2,001.75, 2,762.42 and 1,105.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,001.75 : 2,762.42 = 1,105.49 : x
2. Step 2: Convert to fraction form
   2,001.75/2,762.42 = 1,105.49/x
3. Step 3: Cross multiply
   2,001.75x = 2,762.42 × 1,105.49
4. Step 4: Simplify right side
   2,001.75x = 3,053,827.69
5. Step 5: Solve for x
   x = 3,053,827.69/2,001.75
6. Step 6: Final answer
   x = 1,525.58