Finding the Fourth Proportional to 12,095.30, 18,142.47 and 3,329.97

Step by Step Solution

1. Step 1: Write the proportion equation
   12,095.30 : 18,142.47 = 3,329.97 : x
2. Step 2: Convert to fraction form
   12,095.30/18,142.47 = 3,329.97/x
3. Step 3: Cross multiply
   12,095.30x = 18,142.47 × 3,329.97
4. Step 4: Simplify right side
   12,095.30x = 60,413,880.83
5. Step 5: Solve for x
   x = 60,413,880.83/12,095.30
6. Step 6: Final answer
   x = 4,994.82