Finding the Fourth Proportional to 10,907.94, 16,361.82 and 3,116.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,907.94 : 16,361.82 = 3,116.79 : x
2. Step 2: Convert to fraction form
   10,907.94/16,361.82 = 3,116.79/x
3. Step 3: Cross multiply
   10,907.94x = 16,361.82 × 3,116.79
4. Step 4: Simplify right side
   10,907.94x = 50,996,356.96
5. Step 5: Solve for x
   x = 50,996,356.96/10,907.94
6. Step 6: Final answer
   x = 4,675.16