Finding the Fourth Proportional to 1,967.82, 2,952.12 and 669.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,967.82 : 2,952.12 = 669.42 : x
2. Step 2: Convert to fraction form
   1,967.82/2,952.12 = 669.42/x
3. Step 3: Cross multiply
   1,967.82x = 2,952.12 × 669.42
4. Step 4: Simplify right side
   1,967.82x = 1,976,208.17
5. Step 5: Solve for x
   x = 1,976,208.17/1,967.82
6. Step 6: Final answer
   x = 1,004.26