Finding the Fourth Proportional to 6,806.15, 10,210.43 and 3,108.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,806.15 : 10,210.43 = 3,108.76 : x
2. Step 2: Convert to fraction form
   6,806.15/10,210.43 = 3,108.76/x
3. Step 3: Cross multiply
   6,806.15x = 10,210.43 × 3,108.76
4. Step 4: Simplify right side
   6,806.15x = 31,741,776.37
5. Step 5: Solve for x
   x = 31,741,776.37/6,806.15
6. Step 6: Final answer
   x = 4,663.69