Finding the Fourth Proportional to 1,342.27, 1,851.82 and 1,027.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.27 : 1,851.82 = 1,027.20 : x
2. Step 2: Convert to fraction form
   1,342.27/1,851.82 = 1,027.20/x
3. Step 3: Cross multiply
   1,342.27x = 1,851.82 × 1,027.20
4. Step 4: Simplify right side
   1,342.27x = 1,902,186.94
5. Step 5: Solve for x
   x = 1,902,186.94/1,342.27
6. Step 6: Final answer
   x = 1,417.14