Finding the Fourth Proportional to 10,868.79, 16,303.05 and 3,077.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,868.79 : 16,303.05 = 3,077.67 : x
2. Step 2: Convert to fraction form
   10,868.79/16,303.05 = 3,077.67/x
3. Step 3: Cross multiply
   10,868.79x = 16,303.05 × 3,077.67
4. Step 4: Simplify right side
   10,868.79x = 50,175,407.89
5. Step 5: Solve for x
   x = 50,175,407.89/10,868.79
6. Step 6: Final answer
   x = 4,616.47