Finding the Fourth Proportional to 3,956.76, 5,945.91 and 2,109.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,956.76 : 5,945.91 = 2,109.18 : x
2. Step 2: Convert to fraction form
   3,956.76/5,945.91 = 2,109.18/x
3. Step 3: Cross multiply
   3,956.76x = 5,945.91 × 2,109.18
4. Step 4: Simplify right side
   3,956.76x = 12,540,994.45
5. Step 5: Solve for x
   x = 12,540,994.45/3,956.76
6. Step 6: Final answer
   x = 3,169.51