Finding the Fourth Proportional to 10,628.28, 14,667.04 and 5,912.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,628.28 : 14,667.04 = 5,912.84 : x
2. Step 2: Convert to fraction form
   10,628.28/14,667.04 = 5,912.84/x
3. Step 3: Cross multiply
   10,628.28x = 14,667.04 × 5,912.84
4. Step 4: Simplify right side
   10,628.28x = 86,723,860.79
5. Step 5: Solve for x
   x = 86,723,860.79/10,628.28
6. Step 6: Final answer
   x = 8,159.73