Finding the Fourth Proportional to 2,516.59, 3,472.74 and 1,397.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.59 : 3,472.74 = 1,397.37 : x
2. Step 2: Convert to fraction form
   2,516.59/3,472.74 = 1,397.37/x
3. Step 3: Cross multiply
   2,516.59x = 3,472.74 × 1,397.37
4. Step 4: Simplify right side
   2,516.59x = 4,852,702.69
5. Step 5: Solve for x
   x = 4,852,702.69/2,516.59
6. Step 6: Final answer
   x = 1,928.29