Finding the Fourth Proportional to 9,640.08, 13,301.82 and 5,660.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,640.08 : 13,301.82 = 5,660.82 : x
2. Step 2: Convert to fraction form
   9,640.08/13,301.82 = 5,660.82/x
3. Step 3: Cross multiply
   9,640.08x = 13,301.82 × 5,660.82
4. Step 4: Simplify right side
   9,640.08x = 75,299,208.69
5. Step 5: Solve for x
   x = 75,299,208.69/9,640.08
6. Step 6: Final answer
   x = 7,811.06