Finding the Fourth Proportional to 2,036.50, 2,809.91 and 1,328.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,036.50 : 2,809.91 = 1,328.28 : x
2. Step 2: Convert to fraction form
   2,036.50/2,809.91 = 1,328.28/x
3. Step 3: Cross multiply
   2,036.50x = 2,809.91 × 1,328.28
4. Step 4: Simplify right side
   2,036.50x = 3,732,347.25
5. Step 5: Solve for x
   x = 3,732,347.25/2,036.50
6. Step 6: Final answer
   x = 1,832.73