Finding the Fourth Proportional to 1,770.66, 2,443.61 and 984.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.66 : 2,443.61 = 984.69 : x
2. Step 2: Convert to fraction form
   1,770.66/2,443.61 = 984.69/x
3. Step 3: Cross multiply
   1,770.66x = 2,443.61 × 984.69
4. Step 4: Simplify right side
   1,770.66x = 2,406,198.33
5. Step 5: Solve for x
   x = 2,406,198.33/1,770.66
6. Step 6: Final answer
   x = 1,358.93