Finding the Fourth Proportional to 2,952.84, 4,429.73 and 873.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,952.84 : 4,429.73 = 873.05 : x
2. Step 2: Convert to fraction form
   2,952.84/4,429.73 = 873.05/x
3. Step 3: Cross multiply
   2,952.84x = 4,429.73 × 873.05
4. Step 4: Simplify right side
   2,952.84x = 3,867,375.78
5. Step 5: Solve for x
   x = 3,867,375.78/2,952.84
6. Step 6: Final answer
   x = 1,309.71