Finding the Fourth Proportional to 2,512.15, 3,768.57 and 952.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,512.15 : 3,768.57 = 952.72 : x
2. Step 2: Convert to fraction form
   2,512.15/3,768.57 = 952.72/x
3. Step 3: Cross multiply
   2,512.15x = 3,768.57 × 952.72
4. Step 4: Simplify right side
   2,512.15x = 3,590,382.59
5. Step 5: Solve for x
   x = 3,590,382.59/2,512.15
6. Step 6: Final answer
   x = 1,429.21