Finding the Fourth Proportional to 6,707.91, 10,016.70 and 5,477.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,707.91 : 10,016.70 = 5,477.76 : x
2. Step 2: Convert to fraction form
   6,707.91/10,016.70 = 5,477.76/x
3. Step 3: Cross multiply
   6,707.91x = 10,016.70 × 5,477.76
4. Step 4: Simplify right side
   6,707.91x = 54,869,078.59
5. Step 5: Solve for x
   x = 54,869,078.59/6,707.91
6. Step 6: Final answer
   x = 8,179.76