Finding the Fourth Proportional to 1,770.81, 2,443.82 and 984.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.81 : 2,443.82 = 984.84 : x
2. Step 2: Convert to fraction form
   1,770.81/2,443.82 = 984.84/x
3. Step 3: Cross multiply
   1,770.81x = 2,443.82 × 984.84
4. Step 4: Simplify right side
   1,770.81x = 2,406,766.76
5. Step 5: Solve for x
   x = 2,406,766.76/1,770.81
6. Step 6: Final answer
   x = 1,359.13