Finding the Fourth Proportional to 2,951.91, 4,425.81 and 1,307.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,951.91 : 4,425.81 = 1,307.57 : x
2. Step 2: Convert to fraction form
   2,951.91/4,425.81 = 1,307.57/x
3. Step 3: Cross multiply
   2,951.91x = 4,425.81 × 1,307.57
4. Step 4: Simplify right side
   2,951.91x = 5,787,034.25
5. Step 5: Solve for x
   x = 5,787,034.25/2,951.91
6. Step 6: Final answer
   x = 1,960.44