Finding the Fourth Proportional to 3,973.40, 5,483.32 and 2,205.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973.40 : 5,483.32 = 2,205.03 : x
2. Step 2: Convert to fraction form
   3,973.40/5,483.32 = 2,205.03/x
3. Step 3: Cross multiply
   3,973.40x = 5,483.32 × 2,205.03
4. Step 4: Simplify right side
   3,973.40x = 12,090,879.59
5. Step 5: Solve for x
   x = 12,090,879.59/3,973.40
6. Step 6: Final answer
   x = 3,042.96