Finding the Fourth Proportional to 12,067.74, 18,095.99 and 4,572.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,067.74 : 18,095.99 = 4,572.72 : x
2. Step 2: Convert to fraction form
   12,067.74/18,095.99 = 4,572.72/x
3. Step 3: Cross multiply
   12,067.74x = 18,095.99 × 4,572.72
4. Step 4: Simplify right side
   12,067.74x = 82,747,872.53
5. Step 5: Solve for x
   x = 82,747,872.53/12,067.74
6. Step 6: Final answer
   x = 6,856.95