Finding the Fourth Proportional to 1,227.42, 1,840.38 and 496.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227.42 : 1,840.38 = 496.62 : x
2. Step 2: Convert to fraction form
   1,227.42/1,840.38 = 496.62/x
3. Step 3: Cross multiply
   1,227.42x = 1,840.38 × 496.62
4. Step 4: Simplify right side
   1,227.42x = 913,969.52
5. Step 5: Solve for x
   x = 913,969.52/1,227.42
6. Step 6: Final answer
   x = 744.63