Finding the Fourth Proportional to 2,007.10, 3,011.73 and 1,033.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.10 : 3,011.73 = 1,033.21 : x
2. Step 2: Convert to fraction form
   2,007.10/3,011.73 = 1,033.21/x
3. Step 3: Cross multiply
   2,007.10x = 3,011.73 × 1,033.21
4. Step 4: Simplify right side
   2,007.10x = 3,111,749.55
5. Step 5: Solve for x
   x = 3,111,749.55/2,007.10
6. Step 6: Final answer
   x = 1,550.37