Finding the Fourth Proportional to 12,108.96, 18,164.34 and 3,343.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,108.96 : 18,164.34 = 3,343.79 : x
2. Step 2: Convert to fraction form
   12,108.96/18,164.34 = 3,343.79/x
3. Step 3: Cross multiply
   12,108.96x = 18,164.34 × 3,343.79
4. Step 4: Simplify right side
   12,108.96x = 60,737,783.86
5. Step 5: Solve for x
   x = 60,737,783.86/12,108.96
6. Step 6: Final answer
   x = 5,015.94