Finding the Fourth Proportional to 12,052.80, 18,079.38 and 3,288.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,052.80 : 18,079.38 = 3,288.42 : x
2. Step 2: Convert to fraction form
   12,052.80/18,079.38 = 3,288.42/x
3. Step 3: Cross multiply
   12,052.80x = 18,079.38 × 3,288.42
4. Step 4: Simplify right side
   12,052.80x = 59,452,594.78
5. Step 5: Solve for x
   x = 59,452,594.78/12,052.80
6. Step 6: Final answer
   x = 4,932.68