Finding the Fourth Proportional to 10,868.84, 16,304.88 and 3,077.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,868.84 : 16,304.88 = 3,077.45 : x
2. Step 2: Convert to fraction form
   10,868.84/16,304.88 = 3,077.45/x
3. Step 3: Cross multiply
   10,868.84x = 16,304.88 × 3,077.45
4. Step 4: Simplify right side
   10,868.84x = 50,177,452.96
5. Step 5: Solve for x
   x = 50,177,452.96/10,868.84
6. Step 6: Final answer
   x = 4,616.63