Finding the Fourth Proportional to 1,770.91, 2,443.85 and 984.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.91 : 2,443.85 = 984.94 : x
2. Step 2: Convert to fraction form
   1,770.91/2,443.85 = 984.94/x
3. Step 3: Cross multiply
   1,770.91x = 2,443.85 × 984.94
4. Step 4: Simplify right side
   1,770.91x = 2,407,043.82
5. Step 5: Solve for x
   x = 2,407,043.82/1,770.91
6. Step 6: Final answer
   x = 1,359.21