Finding the Fourth Proportional to 2,516.29, 3,472.39 and 1,397.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.29 : 3,472.39 = 1,397.27 : x
2. Step 2: Convert to fraction form
   2,516.29/3,472.39 = 1,397.27/x
3. Step 3: Cross multiply
   2,516.29x = 3,472.39 × 1,397.27
4. Step 4: Simplify right side
   2,516.29x = 4,851,876.80
5. Step 5: Solve for x
   x = 4,851,876.80/2,516.29
6. Step 6: Final answer
   x = 1,928.19