Finding the Fourth Proportional to 1,372.69, 1,894.55 and 1,327.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372.69 : 1,894.55 = 1,327.12 : x
2. Step 2: Convert to fraction form
   1,372.69/1,894.55 = 1,327.12/x
3. Step 3: Cross multiply
   1,372.69x = 1,894.55 × 1,327.12
4. Step 4: Simplify right side
   1,372.69x = 2,514,288.80
5. Step 5: Solve for x
   x = 2,514,288.80/1,372.69
6. Step 6: Final answer
   x = 1,831.65