Finding the Fourth Proportional to 1,462.38, 2,017.89 and 939.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,462.38 : 2,017.89 = 939.12 : x
2. Step 2: Convert to fraction form
   1,462.38/2,017.89 = 939.12/x
3. Step 3: Cross multiply
   1,462.38x = 2,017.89 × 939.12
4. Step 4: Simplify right side
   1,462.38x = 1,895,040.86
5. Step 5: Solve for x
   x = 1,895,040.86/1,462.38
6. Step 6: Final answer
   x = 1,295.86