Finding the Fourth Proportional to 10,680.99, 16,023.76 and 3,659.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,680.99 : 16,023.76 = 3,659.12 : x
2. Step 2: Convert to fraction form
   10,680.99/16,023.76 = 3,659.12/x
3. Step 3: Cross multiply
   10,680.99x = 16,023.76 × 3,659.12
4. Step 4: Simplify right side
   10,680.99x = 58,632,891.60
5. Step 5: Solve for x
   x = 58,632,891.60/10,680.99
6. Step 6: Final answer
   x = 5,489.46