Finding the Fourth Proportional to 12,067.58, 18,096.35 and 4,667.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,067.58 : 18,096.35 = 4,667.78 : x
2. Step 2: Convert to fraction form
   12,067.58/18,096.35 = 4,667.78/x
3. Step 3: Cross multiply
   12,067.58x = 18,096.35 × 4,667.78
4. Step 4: Simplify right side
   12,067.58x = 84,469,666.78
5. Step 5: Solve for x
   x = 84,469,666.78/12,067.58
6. Step 6: Final answer
   x = 6,999.72