Finding the Fourth Proportional to 1,418.55, 1,958.30 and 946.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,418.55 : 1,958.30 = 946.73 : x
2. Step 2: Convert to fraction form
   1,418.55/1,958.30 = 946.73/x
3. Step 3: Cross multiply
   1,418.55x = 1,958.30 × 946.73
4. Step 4: Simplify right side
   1,418.55x = 1,853,966.83
5. Step 5: Solve for x
   x = 1,853,966.83/1,418.55
6. Step 6: Final answer
   x = 1,306.95