Finding the Fourth Proportional to 10,868.90, 16,304.76 and 3,077.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,868.90 : 16,304.76 = 3,077.91 : x
2. Step 2: Convert to fraction form
   10,868.90/16,304.76 = 3,077.91/x
3. Step 3: Cross multiply
   10,868.90x = 16,304.76 × 3,077.91
4. Step 4: Simplify right side
   10,868.90x = 50,184,583.85
5. Step 5: Solve for x
   x = 50,184,583.85/10,868.90
6. Step 6: Final answer
   x = 4,617.27