Finding the Fourth Proportional to 2,516.42, 3,472.67 and 1,397.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.42 : 3,472.67 = 1,397.34 : x
2. Step 2: Convert to fraction form
   2,516.42/3,472.67 = 1,397.34/x
3. Step 3: Cross multiply
   2,516.42x = 3,472.67 × 1,397.34
4. Step 4: Simplify right side
   2,516.42x = 4,852,504.19
5. Step 5: Solve for x
   x = 4,852,504.19/2,516.42
6. Step 6: Final answer
   x = 1,928.33