Finding the Fourth Proportional to 1,297.83, 1,945.56 and 475.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,297.83 : 1,945.56 = 475.53 : x
2. Step 2: Convert to fraction form
   1,297.83/1,945.56 = 475.53/x
3. Step 3: Cross multiply
   1,297.83x = 1,945.56 × 475.53
4. Step 4: Simplify right side
   1,297.83x = 925,172.15
5. Step 5: Solve for x
   x = 925,172.15/1,297.83
6. Step 6: Final answer
   x = 712.86