Finding the Fourth Proportional to 10,680.91, 14,739.89 and 5,965.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,680.91 : 14,739.89 = 5,965.20 : x
2. Step 2: Convert to fraction form
   10,680.91/14,739.89 = 5,965.20/x
3. Step 3: Cross multiply
   10,680.91x = 14,739.89 × 5,965.20
4. Step 4: Simplify right side
   10,680.91x = 87,926,362.00
5. Step 5: Solve for x
   x = 87,926,362.00/10,680.91
6. Step 6: Final answer
   x = 8,232.11