Finding the Fourth Proportional to 2,646.09, 3,966.82 and 1,003.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,646.09 : 3,966.82 = 1,003.79 : x
2. Step 2: Convert to fraction form
   2,646.09/3,966.82 = 1,003.79/x
3. Step 3: Cross multiply
   2,646.09x = 3,966.82 × 1,003.79
4. Step 4: Simplify right side
   2,646.09x = 3,981,867.30
5. Step 5: Solve for x
   x = 3,981,867.30/2,646.09
6. Step 6: Final answer
   x = 1,504.81