Finding the Fourth Proportional to 2,001.50, 2,762.09 and 1,105.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,001.50 : 2,762.09 = 1,105.28 : x
2. Step 2: Convert to fraction form
   2,001.50/2,762.09 = 1,105.28/x
3. Step 3: Cross multiply
   2,001.50x = 2,762.09 × 1,105.28
4. Step 4: Simplify right side
   2,001.50x = 3,052,863.50
5. Step 5: Solve for x
   x = 3,052,863.50/2,001.50
6. Step 6: Final answer
   x = 1,525.29