Finding the Fourth Proportional to 6,648.29, 9,969.42 and 1,966.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,648.29 : 9,969.42 = 1,966.69 : x
2. Step 2: Convert to fraction form
   6,648.29/9,969.42 = 1,966.69/x
3. Step 3: Cross multiply
   6,648.29x = 9,969.42 × 1,966.69
4. Step 4: Simplify right side
   6,648.29x = 19,606,708.77
5. Step 5: Solve for x
   x = 19,606,708.77/6,648.29
6. Step 6: Final answer
   x = 2,949.14