Finding the Fourth Proportional to 1,462.18, 2,017.28 and 864.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,462.18 : 2,017.28 = 864.54 : x
2. Step 2: Convert to fraction form
   1,462.18/2,017.28 = 864.54/x
3. Step 3: Cross multiply
   1,462.18x = 2,017.28 × 864.54
4. Step 4: Simplify right side
   1,462.18x = 1,744,019.25
5. Step 5: Solve for x
   x = 1,744,019.25/1,462.18
6. Step 6: Final answer
   x = 1,192.75