Finding the Fourth Proportional to 2,128.20, 3,193.10 and 1,033.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.20 : 3,193.10 = 1,033.52 : x
2. Step 2: Convert to fraction form
   2,128.20/3,193.10 = 1,033.52/x
3. Step 3: Cross multiply
   2,128.20x = 3,193.10 × 1,033.52
4. Step 4: Simplify right side
   2,128.20x = 3,300,132.71
5. Step 5: Solve for x
   x = 3,300,132.71/2,128.20
6. Step 6: Final answer
   x = 1,550.67