Finding the Fourth Proportional to 2,185.29, 3,278.54 and 952.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.29 : 3,278.54 = 952.81 : x
2. Step 2: Convert to fraction form
   2,185.29/3,278.54 = 952.81/x
3. Step 3: Cross multiply
   2,185.29x = 3,278.54 × 952.81
4. Step 4: Simplify right side
   2,185.29x = 3,123,819.88
5. Step 5: Solve for x
   x = 3,123,819.88/2,185.29
6. Step 6: Final answer
   x = 1,429.48