Finding the Fourth Proportional to 1,494.24, 2,243.46 and 764.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.24 : 2,243.46 = 764.34 : x
2. Step 2: Convert to fraction form
   1,494.24/2,243.46 = 764.34/x
3. Step 3: Cross multiply
   1,494.24x = 2,243.46 × 764.34
4. Step 4: Simplify right side
   1,494.24x = 1,714,766.22
5. Step 5: Solve for x
   x = 1,714,766.22/1,494.24
6. Step 6: Final answer
   x = 1,147.58