Finding the Fourth Proportional to 1,770.89, 2,443.82 and 984.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.89 : 2,443.82 = 984.98 : x
2. Step 2: Convert to fraction form
   1,770.89/2,443.82 = 984.98/x
3. Step 3: Cross multiply
   1,770.89x = 2,443.82 × 984.98
4. Step 4: Simplify right side
   1,770.89x = 2,407,096.68
5. Step 5: Solve for x
   x = 2,407,096.68/1,770.89
6. Step 6: Final answer
   x = 1,359.26