Finding the Fourth Proportional to 1,456.52, 2,009.04 and 933.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.52 : 2,009.04 = 933.20 : x
2. Step 2: Convert to fraction form
   1,456.52/2,009.04 = 933.20/x
3. Step 3: Cross multiply
   1,456.52x = 2,009.04 × 933.20
4. Step 4: Simplify right side
   1,456.52x = 1,874,836.13
5. Step 5: Solve for x
   x = 1,874,836.13/1,456.52
6. Step 6: Final answer
   x = 1,287.20