Finding the Fourth Proportional to 10,628.38, 14,666.98 and 5,912.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,628.38 : 14,666.98 = 5,912.56 : x
2. Step 2: Convert to fraction form
   10,628.38/14,666.98 = 5,912.56/x
3. Step 3: Cross multiply
   10,628.38x = 14,666.98 × 5,912.56
4. Step 4: Simplify right side
   10,628.38x = 86,719,399.27
5. Step 5: Solve for x
   x = 86,719,399.27/10,628.38
6. Step 6: Final answer
   x = 8,159.23