Finding the Fourth Proportional to 9,799.80, 14,710.77 and 3,960.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,799.80 : 14,710.77 = 3,960.51 : x
2. Step 2: Convert to fraction form
   9,799.80/14,710.77 = 3,960.51/x
3. Step 3: Cross multiply
   9,799.80x = 14,710.77 × 3,960.51
4. Step 4: Simplify right side
   9,799.80x = 58,262,151.69
5. Step 5: Solve for x
   x = 58,262,151.69/9,799.80
6. Step 6: Final answer
   x = 5,945.24