Finding the Fourth Proportional to 3,002.27, 4,145.18 and 1,956.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,002.27 : 4,145.18 = 1,956.15 : x
2. Step 2: Convert to fraction form
   3,002.27/4,145.18 = 1,956.15/x
3. Step 3: Cross multiply
   3,002.27x = 4,145.18 × 1,956.15
4. Step 4: Simplify right side
   3,002.27x = 8,108,584.08
5. Step 5: Solve for x
   x = 8,108,584.08/3,002.27
6. Step 6: Final answer
   x = 2,700.82