Finding the Fourth Proportional to 3,945.58, 5,920.13 and 2,096.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945.58 : 5,920.13 = 2,096.25 : x
2. Step 2: Convert to fraction form
   3,945.58/5,920.13 = 2,096.25/x
3. Step 3: Cross multiply
   3,945.58x = 5,920.13 × 2,096.25
4. Step 4: Simplify right side
   3,945.58x = 12,410,032.43
5. Step 5: Solve for x
   x = 12,410,032.43/3,945.58
6. Step 6: Final answer
   x = 3,145.30