Finding the Fourth Proportional to 1,227.34, 1,840.94 and 496.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227.34 : 1,840.94 = 496.72 : x
2. Step 2: Convert to fraction form
   1,227.34/1,840.94 = 496.72/x
3. Step 3: Cross multiply
   1,227.34x = 1,840.94 × 496.72
4. Step 4: Simplify right side
   1,227.34x = 914,431.72
5. Step 5: Solve for x
   x = 914,431.72/1,227.34
6. Step 6: Final answer
   x = 745.05