Finding the Fourth Proportional to 2,516.73, 3,472.92 and 1,397.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.73 : 3,472.92 = 1,397.67 : x
2. Step 2: Convert to fraction form
   2,516.73/3,472.92 = 1,397.67/x
3. Step 3: Cross multiply
   2,516.73x = 3,472.92 × 1,397.67
4. Step 4: Simplify right side
   2,516.73x = 4,853,978.73
5. Step 5: Solve for x
   x = 4,853,978.73/2,516.73
6. Step 6: Final answer
   x = 1,928.69