Finding the Fourth Proportional to 1,227.73, 1,842.56 and 497.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227.73 : 1,842.56 = 497.82 : x
2. Step 2: Convert to fraction form
   1,227.73/1,842.56 = 497.82/x
3. Step 3: Cross multiply
   1,227.73x = 1,842.56 × 497.82
4. Step 4: Simplify right side
   1,227.73x = 917,253.82
5. Step 5: Solve for x
   x = 917,253.82/1,227.73
6. Step 6: Final answer
   x = 747.12