Finding the Fourth Proportional to 1,770.28, 2,443.02 and 984.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.28 : 2,443.02 = 984.38 : x
2. Step 2: Convert to fraction form
   1,770.28/2,443.02 = 984.38/x
3. Step 3: Cross multiply
   1,770.28x = 2,443.02 × 984.38
4. Step 4: Simplify right side
   1,770.28x = 2,404,860.03
5. Step 5: Solve for x
   x = 2,404,860.03/1,770.28
6. Step 6: Final answer
   x = 1,358.46