Finding the Fourth Proportional to 2,036.15, 2,808.12 and 1,327.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,036.15 : 2,808.12 = 1,327.72 : x
2. Step 2: Convert to fraction form
   2,036.15/2,808.12 = 1,327.72/x
3. Step 3: Cross multiply
   2,036.15x = 2,808.12 × 1,327.72
4. Step 4: Simplify right side
   2,036.15x = 3,728,397.09
5. Step 5: Solve for x
   x = 3,728,397.09/2,036.15
6. Step 6: Final answer
   x = 1,831.10