Finding the Fourth Proportional to 1,770.83, 2,443.71 and 984.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.83 : 2,443.71 = 984.86 : x
2. Step 2: Convert to fraction form
   1,770.83/2,443.71 = 984.86/x
3. Step 3: Cross multiply
   1,770.83x = 2,443.71 × 984.86
4. Step 4: Simplify right side
   1,770.83x = 2,406,712.23
5. Step 5: Solve for x
   x = 2,406,712.23/1,770.83
6. Step 6: Final answer
   x = 1,359.09