Finding the Fourth Proportional to 2,251.15, 3,375.90 and 952.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,251.15 : 3,375.90 = 952.72 : x
2. Step 2: Convert to fraction form
   2,251.15/3,375.90 = 952.72/x
3. Step 3: Cross multiply
   2,251.15x = 3,375.90 × 952.72
4. Step 4: Simplify right side
   2,251.15x = 3,216,279.01
5. Step 5: Solve for x
   x = 3,216,279.01/2,251.15
6. Step 6: Final answer
   x = 1,428.73