Finding the Fourth Proportional to 10,628.41, 14,667.21 and 5,912.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,628.41 : 14,667.21 = 5,912.59 : x
2. Step 2: Convert to fraction form
   10,628.41/14,667.21 = 5,912.59/x
3. Step 3: Cross multiply
   10,628.41x = 14,667.21 × 5,912.59
4. Step 4: Simplify right side
   10,628.41x = 86,721,199.17
5. Step 5: Solve for x
   x = 86,721,199.17/10,628.41
6. Step 6: Final answer
   x = 8,159.38