Finding the Fourth Proportional to 2,645.49, 3,967.83 and 1,002.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645.49 : 3,967.83 = 1,002.81 : x
2. Step 2: Convert to fraction form
   2,645.49/3,967.83 = 1,002.81/x
3. Step 3: Cross multiply
   2,645.49x = 3,967.83 × 1,002.81
4. Step 4: Simplify right side
   2,645.49x = 3,978,979.60
5. Step 5: Solve for x
   x = 3,978,979.60/2,645.49
6. Step 6: Final answer
   x = 1,504.06