Finding the Fourth Proportional to 1,770.82, 2,443.69 and 984.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.82 : 2,443.69 = 984.85 : x
2. Step 2: Convert to fraction form
   1,770.82/2,443.69 = 984.85/x
3. Step 3: Cross multiply
   1,770.82x = 2,443.69 × 984.85
4. Step 4: Simplify right side
   1,770.82x = 2,406,655.88
5. Step 5: Solve for x
   x = 2,406,655.88/1,770.82
6. Step 6: Final answer
   x = 1,359.07