Finding the Fourth Proportional to 12,107.10, 18,160.72 and 3,342.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,107.10 : 18,160.72 = 3,342.48 : x
2. Step 2: Convert to fraction form
   12,107.10/18,160.72 = 3,342.48/x
3. Step 3: Cross multiply
   12,107.10x = 18,160.72 × 3,342.48
4. Step 4: Simplify right side
   12,107.10x = 60,701,843.39
5. Step 5: Solve for x
   x = 60,701,843.39/12,107.10
6. Step 6: Final answer
   x = 5,013.74