Finding the Fourth Proportional to 2,516.52, 3,472.76 and 1,397.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.52 : 3,472.76 = 1,397.42 : x
2. Step 2: Convert to fraction form
   2,516.52/3,472.76 = 1,397.42/x
3. Step 3: Cross multiply
   2,516.52x = 3,472.76 × 1,397.42
4. Step 4: Simplify right side
   2,516.52x = 4,852,879.93
5. Step 5: Solve for x
   x = 4,852,879.93/2,516.52
6. Step 6: Final answer
   x = 1,928.41