Finding the Fourth Proportional to 3,973.79, 5,483.87 and 2,205.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973.79 : 5,483.87 = 2,205.38 : x
2. Step 2: Convert to fraction form
   3,973.79/5,483.87 = 2,205.38/x
3. Step 3: Cross multiply
   3,973.79x = 5,483.87 × 2,205.38
4. Step 4: Simplify right side
   3,973.79x = 12,093,978.77
5. Step 5: Solve for x
   x = 12,093,978.77/3,973.79
6. Step 6: Final answer
   x = 3,043.44