Finding the Fourth Proportional to 10,707.01, 16,078.89 and 6,571.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,707.01 : 16,078.89 = 6,571.31 : x
2. Step 2: Convert to fraction form
   10,707.01/16,078.89 = 6,571.31/x
3. Step 3: Cross multiply
   10,707.01x = 16,078.89 × 6,571.31
4. Step 4: Simplify right side
   10,707.01x = 105,659,314.89
5. Step 5: Solve for x
   x = 105,659,314.89/10,707.01
6. Step 6: Final answer
   x = 9,868.24