Finding the Fourth Proportional to 10,679, 14,736.72 and 5,898.64

Step by Step Solution

1. Step 1: Write the proportion equation
   10,679 : 14,736.72 = 5,898.64 : x
2. Step 2: Convert to fraction form
   10,679/14,736.72 = 5,898.64/x
3. Step 3: Cross multiply
   10,679x = 14,736.72 × 5,898.64
4. Step 4: Simplify right side
   10,679x = 86,926,606.06
5. Step 5: Solve for x
   x = 86,926,606.06/10,679
6. Step 6: Final answer
   x = 8,139.96