Finding the Fourth Proportional to 10,647.16, 14,691.72 and 5,930.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,647.16 : 14,691.72 = 5,930.80 : x
2. Step 2: Convert to fraction form
   10,647.16/14,691.72 = 5,930.80/x
3. Step 3: Cross multiply
   10,647.16x = 14,691.72 × 5,930.80
4. Step 4: Simplify right side
   10,647.16x = 87,133,652.98
5. Step 5: Solve for x
   x = 87,133,652.98/10,647.16
6. Step 6: Final answer
   x = 8,183.75