Finding the Fourth Proportional to 2,047.87, 3,071.31 and 951.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.87 : 3,071.31 = 951.67 : x
2. Step 2: Convert to fraction form
   2,047.87/3,071.31 = 951.67/x
3. Step 3: Cross multiply
   2,047.87x = 3,071.31 × 951.67
4. Step 4: Simplify right side
   2,047.87x = 2,922,873.59
5. Step 5: Solve for x
   x = 2,922,873.59/2,047.87
6. Step 6: Final answer
   x = 1,427.27