Finding the Fourth Proportional to 1,227.58, 1,842.49 and 955.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227.58 : 1,842.49 = 955.42 : x
2. Step 2: Convert to fraction form
   1,227.58/1,842.49 = 955.42/x
3. Step 3: Cross multiply
   1,227.58x = 1,842.49 × 955.42
4. Step 4: Simplify right side
   1,227.58x = 1,760,348.38
5. Step 5: Solve for x
   x = 1,760,348.38/1,227.58
6. Step 6: Final answer
   x = 1,434.00