Finding the Fourth Proportional to 2,952.54, 4,429.22 and 872.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,952.54 : 4,429.22 = 872.71 : x
2. Step 2: Convert to fraction form
   2,952.54/4,429.22 = 872.71/x
3. Step 3: Cross multiply
   2,952.54x = 4,429.22 × 872.71
4. Step 4: Simplify right side
   2,952.54x = 3,865,409.15
5. Step 5: Solve for x
   x = 3,865,409.15/2,952.54
6. Step 6: Final answer
   x = 1,309.18