Finding the Fourth Proportional to 1,464.28, 2,018.82 and 940.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,464.28 : 2,018.82 = 940.12 : x
2. Step 2: Convert to fraction form
   1,464.28/2,018.82 = 940.12/x
3. Step 3: Cross multiply
   1,464.28x = 2,018.82 × 940.12
4. Step 4: Simplify right side
   1,464.28x = 1,897,933.06
5. Step 5: Solve for x
   x = 1,897,933.06/1,464.28
6. Step 6: Final answer
   x = 1,296.15