Finding the Fourth Proportional to 1,327.55, 1,827.81 and 1,127.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,327.55 : 1,827.81 = 1,127.97 : x
2. Step 2: Convert to fraction form
   1,327.55/1,827.81 = 1,127.97/x
3. Step 3: Cross multiply
   1,327.55x = 1,827.81 × 1,127.97
4. Step 4: Simplify right side
   1,327.55x = 2,061,714.85
5. Step 5: Solve for x
   x = 2,061,714.85/1,327.55
6. Step 6: Final answer
   x = 1,553.03