Finding the Fourth Proportional to 12,194.56, 18,291.72 and 2,960.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,194.56 : 18,291.72 = 2,960.56 : x
2. Step 2: Convert to fraction form
   12,194.56/18,291.72 = 2,960.56/x
3. Step 3: Cross multiply
   12,194.56x = 18,291.72 × 2,960.56
4. Step 4: Simplify right side
   12,194.56x = 54,153,734.56
5. Step 5: Solve for x
   x = 54,153,734.56/12,194.56
6. Step 6: Final answer
   x = 4,440.81