Finding the Fourth Proportional to 2,205.69, 3,043.83 and 1,210.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,205.69 : 3,043.83 = 1,210.98 : x
2. Step 2: Convert to fraction form
   2,205.69/3,043.83 = 1,210.98/x
3. Step 3: Cross multiply
   2,205.69x = 3,043.83 × 1,210.98
4. Step 4: Simplify right side
   2,205.69x = 3,686,017.25
5. Step 5: Solve for x
   x = 3,686,017.25/2,205.69
6. Step 6: Final answer
   x = 1,671.14