Finding the Fourth Proportional to 2,952.83, 4,429.97 and 872.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,952.83 : 4,429.97 = 872.82 : x
2. Step 2: Convert to fraction form
   2,952.83/4,429.97 = 872.82/x
3. Step 3: Cross multiply
   2,952.83x = 4,429.97 × 872.82
4. Step 4: Simplify right side
   2,952.83x = 3,866,562.05
5. Step 5: Solve for x
   x = 3,866,562.05/2,952.83
6. Step 6: Final answer
   x = 1,309.45