Finding the Fourth Proportional to 2,272.06, 3,406.63 and 956.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272.06 : 3,406.63 = 956.67 : x
2. Step 2: Convert to fraction form
   2,272.06/3,406.63 = 956.67/x
3. Step 3: Cross multiply
   2,272.06x = 3,406.63 × 956.67
4. Step 4: Simplify right side
   2,272.06x = 3,259,020.72
5. Step 5: Solve for x
   x = 3,259,020.72/2,272.06
6. Step 6: Final answer
   x = 1,434.39