Finding the Fourth Proportional to 12,104.94, 18,155.27 and 3,340.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,104.94 : 18,155.27 = 3,340.53 : x
2. Step 2: Convert to fraction form
   12,104.94/18,155.27 = 3,340.53/x
3. Step 3: Cross multiply
   12,104.94x = 18,155.27 × 3,340.53
4. Step 4: Simplify right side
   12,104.94x = 60,648,207.39
5. Step 5: Solve for x
   x = 60,648,207.39/12,104.94
6. Step 6: Final answer
   x = 5,010.20