Finding the Fourth Proportional to 10,868.85, 16,303.55 and 3,077.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,868.85 : 16,303.55 = 3,077.73 : x
2. Step 2: Convert to fraction form
   10,868.85/16,303.55 = 3,077.73/x
3. Step 3: Cross multiply
   10,868.85x = 16,303.55 × 3,077.73
4. Step 4: Simplify right side
   10,868.85x = 50,177,909.55
5. Step 5: Solve for x
   x = 50,177,909.55/10,868.85
6. Step 6: Final answer
   x = 4,616.67