Finding the Fourth Proportional to 1,770.52, 2,443.31 and 984.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.52 : 2,443.31 = 984.56 : x
2. Step 2: Convert to fraction form
   1,770.52/2,443.31 = 984.56/x
3. Step 3: Cross multiply
   1,770.52x = 2,443.31 × 984.56
4. Step 4: Simplify right side
   1,770.52x = 2,405,593.86
5. Step 5: Solve for x
   x = 2,405,593.86/1,770.52
6. Step 6: Final answer
   x = 1,358.70