Finding the Fourth Proportional to 2,631.27, 3,944.17 and 1,070.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631.27 : 3,944.17 = 1,070.67 : x
2. Step 2: Convert to fraction form
   2,631.27/3,944.17 = 1,070.67/x
3. Step 3: Cross multiply
   2,631.27x = 3,944.17 × 1,070.67
4. Step 4: Simplify right side
   2,631.27x = 4,222,904.49
5. Step 5: Solve for x
   x = 4,222,904.49/2,631.27
6. Step 6: Final answer
   x = 1,604.89