Finding the Fourth Proportional to 10,907.72, 16,359.78 and 3,114.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,907.72 : 16,359.78 = 3,114.62 : x
2. Step 2: Convert to fraction form
   10,907.72/16,359.78 = 3,114.62/x
3. Step 3: Cross multiply
   10,907.72x = 16,359.78 × 3,114.62
4. Step 4: Simplify right side
   10,907.72x = 50,954,497.98
5. Step 5: Solve for x
   x = 50,954,497.98/10,907.72
6. Step 6: Final answer
   x = 4,671.42