Finding the Fourth Proportional to 1,770.45, 2,443.12 and 984.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.45 : 2,443.12 = 984.34 : x
2. Step 2: Convert to fraction form
   1,770.45/2,443.12 = 984.34/x
3. Step 3: Cross multiply
   1,770.45x = 2,443.12 × 984.34
4. Step 4: Simplify right side
   1,770.45x = 2,404,860.74
5. Step 5: Solve for x
   x = 2,404,860.74/1,770.45
6. Step 6: Final answer
   x = 1,358.33