Finding the Fourth Proportional to 10,660.57, 16,004.76 and 7,166.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,660.57 : 16,004.76 = 7,166.23 : x
2. Step 2: Convert to fraction form
   10,660.57/16,004.76 = 7,166.23/x
3. Step 3: Cross multiply
   10,660.57x = 16,004.76 × 7,166.23
4. Step 4: Simplify right side
   10,660.57x = 114,693,791.25
5. Step 5: Solve for x
   x = 114,693,791.25/10,660.57
6. Step 6: Final answer
   x = 10,758.69