Finding the Fourth Proportional to 2,516.32, 3,472.56 and 1,397.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.32 : 3,472.56 = 1,397.33 : x
2. Step 2: Convert to fraction form
   2,516.32/3,472.56 = 1,397.33/x
3. Step 3: Cross multiply
   2,516.32x = 3,472.56 × 1,397.33
4. Step 4: Simplify right side
   2,516.32x = 4,852,307.92
5. Step 5: Solve for x
   x = 4,852,307.92/2,516.32
6. Step 6: Final answer
   x = 1,928.33