Finding the Fourth Proportional to 1,002.24, 1,382.04 and 740.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.24 : 1,382.04 = 740.16 : x
2. Step 2: Convert to fraction form
   1,002.24/1,382.04 = 740.16/x
3. Step 3: Cross multiply
   1,002.24x = 1,382.04 × 740.16
4. Step 4: Simplify right side
   1,002.24x = 1,022,930.73
5. Step 5: Solve for x
   x = 1,022,930.73/1,002.24
6. Step 6: Final answer
   x = 1,020.64